21356528

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{46027}}^1$

素因数の和:46064

約数の個数: 20

約数和(自身を含む): 42806040

約数和(自身を除く): 21449512

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 46027, 92054, 184108, 368216, 736432, 1334783, 2669566, 5339132, 10678264, 21356528]

約数ペア:

[(1, 21356528), (2, 10678264), (4, 5339132), (8, 2669566), (16, 1334783), (29, 736432), (58, 368216), (116, 184108), (232, 92054), (464, 46027)]