21408464

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17377}}^1$

素因数の和:17403

約数の個数: 40

約数和(自身を含む): 51716928

約数和(自身を除く): 30308464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17377, 34754, 69508, 121639, 139016, 191147, 243278, 278032, 382294, 486556, 764588, 973112, 1338029, 1529176, 1946224, 2676058, 3058352, 5352116, 10704232, 21408464]

約数ペア:

[(1, 21408464), (2, 10704232), (4, 5352116), (7, 3058352), (8, 2676058), (11, 1946224), (14, 1529176), (16, 1338029), (22, 973112), (28, 764588), (44, 486556), (56, 382294), (77, 278032), (88, 243278), (112, 191147), (154, 139016), (176, 121639), (308, 69508), (616, 34754), (1232, 17377)]