Q: What is the sum of all factors of the number 4,021,890 including 4,021,890?
A: 9,780,480
The factors of the number 4,021,890 are: 1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 1697, 2370, 3394, 5091, 8485, 10182, 16970, 25455, 50910, 134063, 268126, 402189, 670315, 804378, 1340630, 2010945, 4021890.
If you add them up, you will get the total of 9,780,480.