21779608

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 42975360

約数和(自身を除く): 21195752

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 212, 248, 424, 1643, 1657, 3286, 3314, 6572, 6628, 13144, 13256, 51367, 87821, 102734, 175642, 205468, 351284, 410936, 702568, 2722451, 5444902, 10889804, 21779608]

約数ペア:

[(1, 21779608), (2, 10889804), (4, 5444902), (8, 2722451), (31, 702568), (53, 410936), (62, 351284), (106, 205468), (124, 175642), (212, 102734), (248, 87821), (424, 51367), (1643, 13256), (1657, 13144), (3286, 6628), (3314, 6572)]