Q: What is the sum of all factors of the number 2,809,421 excluding 2,809,421?
A: 7,279
The factors of the number 2,809,421 are: 1, 409, 6869, 2809421.
If you add them up, you will get the total of 2,809,428. Now subtract 2,809,421 to get 7,279