21335644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4801}}^1$

素因数の和:4917

約数の個数: 24

約数和(自身を含む): 41143536

約数和(自身を除く): 19807892

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 4801, 9602, 19204, 52811, 105622, 211244, 484901, 969802, 1939604, 5333911, 10667822, 21335644]

約数ペア:

[(1, 21335644), (2, 10667822), (4, 5333911), (11, 1939604), (22, 969802), (44, 484901), (101, 211244), (202, 105622), (404, 52811), (1111, 19204), (2222, 9602), (4444, 4801)]