Q: What is the sum of all factors of the number 2,106,321 excluding 2,106,321?
A: 1,272,879
The factors of the number 2,106,321 are: 1, 3, 7, 19, 21, 57, 133, 399, 5279, 15837, 36953, 100301, 110859, 300903, 702107, 2106321.
If you add them up, you will get the total of 2,106,322. Now subtract 2,106,321 to get 1,272,879