21370291159

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{4900319}}^1$

素因数の和:4900422

約数の個数: 12

約数和(自身を含む): 25138641600

約数和(自身を除く): 3768350441

約数列:

[1, 7, 49, 89, 623, 4361, 4900319, 34302233, 240115631, 436128391, 3052898737, 21370291159]

約数ペア:

[(1, 21370291159), (7, 3052898737), (49, 436128391), (89, 240115631), (623, 34302233), (4361, 4900319)]