Q: What is the sum of all factors of the number 21,002,540 excluding 21,002,540?
A: 26,496,100
The factors of the number 21,002,540 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 80779, 161558, 323116, 403895, 807790, 1050127, 1615580, 2100254, 4200508, 5250635, 10501270, 21002540.
If you add them up, you will get the total of 21,002,566. Now subtract 21,002,540 to get 26,496,100