Q: What is the sum of all factors of the number 111,000,021 excluding 111,000,021?

A: 60,870,315

Why is 60,870,315 the sum of all factors of 111,000,021, excluding 111,000,021?

The factors of the number 111,000,021 are: 1, 3, 11, 17, 33, 51, 187, 241, 561, 723, 821, 2463, 2651, 4097, 7953, 9031, 12291, 13957, 27093, 41871, 45067, 135201, 153527, 197861, 460581, 593583, 2176471, 3363637, 6529413, 10090911, 37000007, 111000021.

If you add them up, you will get the total of 111,000,081. Now subtract 111,000,021 to get 60,870,315