Q: What is the sum of all factors of the number 21,162,321 excluding 21,162,321?
A: 10,412,079
The factors of the number 21,162,321 are: 1, 3, 9, 43, 129, 149, 367, 387, 447, 1101, 1341, 3303, 6407, 15781, 19221, 47343, 54683, 57663, 142029, 164049, 492147, 2351369, 7054107, 21162321.
If you add them up, you will get the total of 21,162,331. Now subtract 21,162,321 to get 10,412,079