21091524

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13417}}^1$

素因数の和:13555

約数の個数: 24

約数和(自身を含む): 49592928

約数和(自身を除く): 28501404

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13417, 26834, 40251, 53668, 80502, 161004, 1757627, 3515254, 5272881, 7030508, 10545762, 21091524]

約数ペア:

[(1, 21091524), (2, 10545762), (3, 7030508), (4, 5272881), (6, 3515254), (12, 1757627), (131, 161004), (262, 80502), (393, 53668), (524, 40251), (786, 26834), (1572, 13417)]