21867164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9377}}^1$

素因数の和:9445

約数の個数: 24

約数和(自身を含む): 42538608

約数和(自身を除く): 20671444

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9377, 18754, 37508, 103147, 206294, 412588, 496981, 993962, 1987924, 5466791, 10933582, 21867164]

約数ペア:

[(1, 21867164), (2, 10933582), (4, 5466791), (11, 1987924), (22, 993962), (44, 496981), (53, 412588), (106, 206294), (212, 103147), (583, 37508), (1166, 18754), (2332, 9377)]