Q: What is the sum of all factors of the number 21,031,321 excluding 21,031,321?
A: 80,231
The factors of the number 21,031,321 are: 1, 263, 79967, 21031321.
If you add them up, you will get the total of 21,031,401. Now subtract 21,031,321 to get 80,231