21657093

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3917}}^1$

素因数の和:4036

約数の個数: 16

約数和(自身を含む): 30717120

約数和(自身を除く): 9060027

約数列:

[1, 3, 19, 57, 97, 291, 1843, 3917, 5529, 11751, 74423, 223269, 379949, 1139847, 7219031, 21657093]

約数ペア:

[(1, 21657093), (3, 7219031), (19, 1139847), (57, 379949), (97, 223269), (291, 74423), (1843, 11751), (3917, 5529)]