21053493

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{1861}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 31281600

約数和(自身を除く): 10228107

約数列:

[1, 3, 9, 27, 419, 1257, 1861, 3771, 5583, 11313, 16749, 50247, 779759, 2339277, 7017831, 21053493]

約数ペア:

[(1, 21053493), (3, 7017831), (9, 2339277), (27, 779759), (419, 50247), (1257, 16749), (1861, 11313), (3771, 5583)]