20221721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2473}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 23691024

約数和(自身を除く): 3469303

約数列:

[1, 13, 17, 37, 221, 481, 629, 2473, 8177, 32149, 42041, 91501, 546533, 1189513, 1555517, 20221721]

約数ペア:

[(1, 20221721), (13, 1555517), (17, 1189513), (37, 546533), (221, 91501), (481, 42041), (629, 32149), (2473, 8177)]