21565357

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 24724800

約数和(自身を除く): 3159443

約数列:

[1, 11, 29, 67, 319, 737, 1009, 1943, 11099, 21373, 29261, 67603, 321871, 743633, 1960487, 21565357]

約数ペア:

[(1, 21565357), (11, 1960487), (29, 743633), (67, 321871), (319, 67603), (737, 29261), (1009, 21373), (1943, 11099)]