21000529210

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3677851}}^1$

素因数の和:3678429

約数の個数: 16

約数和(自身を含む): 37867164192

約数和(自身を除く): 16866634982

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 5710, 3677851, 7355702, 18389255, 36778510, 2100052921, 4200105842, 10500264605, 21000529210]

約数ペア:

[(1, 21000529210), (2, 10500264605), (5, 4200105842), (10, 2100052921), (571, 36778510), (1142, 18389255), (2855, 7355702), (5710, 3677851)]