Q: What is the sum of all factors of the number 90,870,021 excluding 90,870,021?

A: 62,184,699

Why is 62,184,699 the sum of all factors of 90,870,021, excluding 90,870,021?

The factors of the number 90,870,021 are: 1, 3, 9, 11, 29, 31, 33, 87, 93, 99, 261, 279, 319, 341, 899, 957, 1021, 1023, 2697, 2871, 3063, 3069, 8091, 9189, 9889, 11231, 29609, 29667, 31651, 33693, 88827, 89001, 94953, 101079, 266481, 284859, 325699, 348161, 917879, 977097, 1044483, 2753637, 2931291, 3133449, 8260911, 10096669, 30290007, 90870021.

If you add them up, you will get the total of 90,870,083. Now subtract 90,870,021 to get 62,184,699