# How to get all the divisors of given number in Java?

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__Problem Description__ :

Write a program in Java that prints all the divisors of any given number.

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__Concept__ :

Divisors means numbers that are evenly divisible by given number. All the divisors should be less than or equal to given number. For example - number 12 has 6 divisors 1,2,3,4,6,12. We can solve this problem either using brute force approach or some efficient algorithm.

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__Java Program__ :

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1) __Brute Force__ :

It will take lot of time if number is very large because in for loop one by one we are checking each number.

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2) __Efficient Algorithm__ :

This is an efficient algorithm because here we are not checking each number, for loop is running until square root of given number.

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__Output__ :

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__References__ :

https://www.khanacademy.org/math/pre-algebra/pre-algebra-factors-multiples/pre-algebra-factors-mult/v/finding-factors-of-a-number

https://docs.oracle.com/javase/7/docs/api/java/util/Collections.html#sort(java.util.List)

https://docs.oracle.com/javase/7/docs/api/java/util/List.html

https://docs.oracle.com/javase/7/docs/api/java/util/Collections.html#sort(java.util.List)

https://docs.oracle.com/javase/7/docs/api/java/util/List.html

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**Tags : Divisors of given number in Java, Solution in Java, List, ArrayList, Collections, for loop, if else statement, Sorting.**

How to get all the divisors of given number in Java?
Reviewed by Unknown
on
12/27/2016
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