21090772

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1609}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 38543400

約数和(自身を除く): 17452628

約数列:

[1, 2, 4, 29, 58, 113, 116, 226, 452, 1609, 3218, 3277, 6436, 6554, 13108, 46661, 93322, 181817, 186644, 363634, 727268, 5272693, 10545386, 21090772]

約数ペア:

[(1, 21090772), (2, 10545386), (4, 5272693), (29, 727268), (58, 363634), (113, 186644), (116, 181817), (226, 93322), (452, 46661), (1609, 13108), (3218, 6554), (3277, 6436)]