21658233

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6229}}^1$

素因数の和:6312

約数の個数: 16

約数和(自身を含む): 30900800

約数和(自身を除く): 9242567

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 6229, 18687, 118351, 355053, 379969, 1139907, 7219411, 21658233]

約数ペア:

[(1, 21658233), (3, 7219411), (19, 1139907), (57, 379969), (61, 355053), (183, 118351), (1159, 18687), (3477, 6229)]