Q: What is the sum of all factors of the number 21,042,571 excluding 21,042,571?
A: 1,990,517
The factors of the number 21,042,571 are: 1, 11, 311, 3421, 6151, 67661, 1912961, 21042571.
If you add them up, you will get the total of 21,042,572. Now subtract 21,042,571 to get 1,990,517