Q: What is the sum of all factors of the number 2,172,009 excluding 2,172,009?
A: 1,158,423
The factors of the number 2,172,009 are: 1, 3, 7, 21, 293, 353, 879, 1059, 2051, 2471, 6153, 7413, 103429, 310287, 724003, 2172009.
If you add them up, you will get the total of 2,172,010. Now subtract 2,172,009 to get 1,158,423