Q: What is the sum of all factors of the number 21,400,072 excluding 21,400,072?
A: 18,725,078
The factors of the number 21,400,072 are: 1, 2, 4, 8, 2675009, 5350018, 10700036, 21400072.
If you add them up, you will get the total of 21,400,090. Now subtract 21,400,072 to get 18,725,078