21086930

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18661}}^1$

素因数の和:18781

約数の個数: 16

約数和(自身を含む): 38294424

約数和(自身を除く): 17207494

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 18661, 37322, 93305, 186610, 2108693, 4217386, 10543465, 21086930]

約数ペア:

[(1, 21086930), (2, 10543465), (5, 4217386), (10, 2108693), (113, 186610), (226, 93305), (565, 37322), (1130, 18661)]