21839154

素因数分解:

$2^1\times 3^1\times {\mathrm{509}}^1\times {\mathrm{7151}}^1$

素因数の和:7665

約数の個数: 16

約数和(自身を含む): 43770240

約数和(自身を除く): 21931086

約数列:

[1, 2, 3, 6, 509, 1018, 1527, 3054, 7151, 14302, 21453, 42906, 3639859, 7279718, 10919577, 21839154]

約数ペア:

[(1, 21839154), (2, 10919577), (3, 7279718), (6, 3639859), (509, 42906), (1018, 21453), (1527, 14302), (3054, 7151)]