Q: What is the sum of all factors of the number 3,221,421 excluding 3,221,421?
A: 1,729,107
The factors of the number 3,221,421 are: 1, 3, 7, 21, 131, 393, 917, 1171, 2751, 3513, 8197, 24591, 153401, 460203, 1073807, 3221421.
If you add them up, you will get the total of 3,221,422. Now subtract 3,221,421 to get 1,729,107