Divisor Calculator
List the divisors of a number, with their count and sum.
Divisors (factors) are the whole numbers that divide evenly into a given number.
The math behind it
Test each integer from 1 to n; those leaving no remainder are divisors. A perfect number equals the sum of its proper divisors.
Worked example
36 has 9 divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36.
FAQ
What is a proper divisor?
Any divisor other than the number itself.