Q: What is the sum of all factors of the number 21,017,423 excluding 21,017,423?
A: 6,019,729
The factors of the number 21,017,423 are: 1, 7, 17, 23, 49, 119, 161, 391, 833, 1097, 1127, 2737, 7679, 18649, 19159, 25231, 53753, 130543, 176617, 428927, 913801, 1236319, 3002489, 21017423.
If you add them up, you will get the total of 21,017,429. Now subtract 21,017,423 to get 6,019,729