Q: What is the sum of all factors of the number 18,115,100 excluding 18,115,100?

A: 21,585,484

Why is 21,585,484 the sum of all factors of 18,115,100, excluding 18,115,100?

The factors of the number 18,115,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 1693, 2140, 2675, 3386, 5350, 6772, 8465, 10700, 16930, 33860, 42325, 84650, 169300, 181151, 362302, 724604, 905755, 1811510, 3623020, 4528775, 9057550, 18115100.

If you add them up, you will get the total of 18,115,121. Now subtract 18,115,100 to get 21,585,484