21725380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9613}}^1$

素因数の和:9735

約数の個数: 24

約数和(自身を含む): 46031832

約数和(自身を除く): 24306452

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9613, 19226, 38452, 48065, 96130, 192260, 1086269, 2172538, 4345076, 5431345, 10862690, 21725380]

約数ペア:

[(1, 21725380), (2, 10862690), (4, 5431345), (5, 4345076), (10, 2172538), (20, 1086269), (113, 192260), (226, 96130), (452, 48065), (565, 38452), (1130, 19226), (2260, 9613)]