Q: What is the sum of all factors of the number 21,030,421 excluding 21,030,421?
A: 433,483
The factors of the number 21,030,421 are: 1, 61, 307, 1123, 18727, 68503, 344761, 21030421.
If you add them up, you will get the total of 21,030,854. Now subtract 21,030,421 to get 433,483