21760713

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3049}}^1$

素因数の和:3129

約数の個数: 24

約数和(自身を含む): 34416200

約数和(自身を除く): 12655487

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 3049, 7137, 9147, 27441, 39637, 118911, 185989, 356733, 557967, 1673901, 2417857, 7253571, 21760713]

約数ペア:

[(1, 21760713), (3, 7253571), (9, 2417857), (13, 1673901), (39, 557967), (61, 356733), (117, 185989), (183, 118911), (549, 39637), (793, 27441), (2379, 9147), (3049, 7137)]