21243612

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136177}}^1$

素因数の和:136197

約数の個数: 24

約数和(自身を含む): 53381776

約数和(自身を除く): 32138164

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136177, 272354, 408531, 544708, 817062, 1634124, 1770301, 3540602, 5310903, 7081204, 10621806, 21243612]

約数ペア:

[(1, 21243612), (2, 10621806), (3, 7081204), (4, 5310903), (6, 3540602), (12, 1770301), (13, 1634124), (26, 817062), (39, 544708), (52, 408531), (78, 272354), (156, 136177)]