Q: What is the sum of all factors of the number 17,658,100 excluding 17,658,100?

A: 21,987,800

Why is 21,987,800 the sum of all factors of 17,658,100, excluding 17,658,100?

The factors of the number 17,658,100 are: 1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6089, 12178, 24356, 30445, 60890, 121780, 152225, 176581, 304450, 353162, 608900, 706324, 882905, 1765810, 3531620, 4414525, 8829050, 17658100.

If you add them up, you will get the total of 17,658,121. Now subtract 17,658,100 to get 21,987,800