21282759

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 32864832

約数和(自身を除く): 11582073

約数列:

[1, 3, 9, 17, 51, 113, 153, 339, 1017, 1231, 1921, 3693, 5763, 11079, 17289, 20927, 62781, 139103, 188343, 417309, 1251927, 2364751, 7094253, 21282759]

約数ペア:

[(1, 21282759), (3, 7094253), (9, 2364751), (17, 1251927), (51, 417309), (113, 188343), (153, 139103), (339, 62781), (1017, 20927), (1231, 17289), (1921, 11079), (3693, 5763)]