21389302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{4283}}^1$

素因数の和:4523

約数の個数: 16

約数和(自身を含む): 35163072

約数和(自身を除く): 13773770

約数列:

[1, 2, 11, 22, 227, 454, 2497, 4283, 4994, 8566, 47113, 94226, 972241, 1944482, 10694651, 21389302]

約数ペア:

[(1, 21389302), (2, 10694651), (11, 1944482), (22, 972241), (227, 94226), (454, 47113), (2497, 8566), (4283, 4994)]