21465164

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33331}}^1$

素因数の和:33365

約数の個数: 24

約数和(自身を含む): 44798208

約数和(自身を除く): 23333044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33331, 66662, 133324, 233317, 466634, 766613, 933268, 1533226, 3066452, 5366291, 10732582, 21465164]

約数ペア:

[(1, 21465164), (2, 10732582), (4, 5366291), (7, 3066452), (14, 1533226), (23, 933268), (28, 766613), (46, 466634), (92, 233317), (161, 133324), (322, 66662), (644, 33331)]