Q: What is the sum of all factors of the number 21,013,505 excluding 21,013,505?
A: 5,016,319
The factors of the number 21,013,505 are: 1, 5, 31, 155, 135571, 677855, 4202701, 21013505.
If you add them up, you will get the total of 21,013,510. Now subtract 21,013,505 to get 5,016,319