21577479

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3221}}^1$

素因数の和:3271

約数の個数: 32

約数和(自身を含む): 37117440

約数和(自身を除く): 15539961

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 3221, 6699, 9663, 22547, 35431, 67641, 93409, 106293, 248017, 280227, 653863, 744051, 1027499, 1961589, 3082497, 7192493, 21577479]

約数ペア:

[(1, 21577479), (3, 7192493), (7, 3082497), (11, 1961589), (21, 1027499), (29, 744051), (33, 653863), (77, 280227), (87, 248017), (203, 106293), (231, 93409), (319, 67641), (609, 35431), (957, 22547), (2233, 9663), (3221, 6699)]