Q: What is the sum of all factors of the number 4,221,321 excluding 4,221,321?
A: 2,197,623
The factors of the number 4,221,321 are: 1, 3, 13, 17, 39, 51, 221, 663, 6367, 19101, 82771, 108239, 248313, 324717, 1407107, 4221321.
If you add them up, you will get the total of 4,221,323. Now subtract 4,221,321 to get 2,197,623