21524997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{1009}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 30994880

約数和(自身を除く): 9469883

約数列:

[1, 3, 13, 39, 547, 1009, 1641, 3027, 7111, 13117, 21333, 39351, 551923, 1655769, 7174999, 21524997]

約数ペア:

[(1, 21524997), (3, 7174999), (13, 1655769), (39, 551923), (547, 39351), (1009, 21333), (1641, 13117), (3027, 7111)]