Q: What is the sum of all factors of the number 11,865 including 11,865?
A: 21,888
The factors of the number 11,865 are: 1, 3, 5, 7, 15, 21, 35, 105, 113, 339, 565, 791, 1695, 2373, 3955, 11865.
If you add them up, you will get the total of 21,888.