Q: What is the sum of all factors of the number 2,561,221 excluding 2,561,221?
A: 211,003
The factors of the number 2,561,221 are: 1, 13, 271, 727, 3523, 9451, 197017, 2561221.
If you add them up, you will get the total of 2,561,432. Now subtract 2,561,221 to get 211,003