21931533

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{62483}}^1$

素因数の和:62505

約数の個数: 16

約数和(自身を含む): 34991040

約数和(自身を除く): 13059507

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 62483, 187449, 562347, 812279, 1687041, 2436837, 7310511, 21931533]

約数ペア:

[(1, 21931533), (3, 7310511), (9, 2436837), (13, 1687041), (27, 812279), (39, 562347), (117, 187449), (351, 62483)]