21667844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{12011}}^1$

素因数の和:12067

約数の個数: 24

約数和(自身を含む): 42378336

約数和(自身を除く): 20710492

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 12011, 24022, 48044, 132121, 264242, 492451, 528484, 984902, 1969804, 5416961, 10833922, 21667844]

約数ペア:

[(1, 21667844), (2, 10833922), (4, 5416961), (11, 1969804), (22, 984902), (41, 528484), (44, 492451), (82, 264242), (164, 132121), (451, 48044), (902, 24022), (1804, 12011)]