21987804

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59107}}^1$

素因数の和:59145

約数の個数: 24

約数和(自身を含む): 52960768

約数和(自身を除く): 30972964

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 59107, 118214, 177321, 236428, 354642, 709284, 1832317, 3664634, 5496951, 7329268, 10993902, 21987804]

約数ペア:

[(1, 21987804), (2, 10993902), (3, 7329268), (4, 5496951), (6, 3664634), (12, 1832317), (31, 709284), (62, 354642), (93, 236428), (124, 177321), (186, 118214), (372, 59107)]