21349713

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3187}}^1$

素因数の和:3237

約数の個数: 32

約数和(自身を含む): 36725760

約数和(自身を除く): 15376047

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 3187, 6699, 9561, 22309, 35057, 66927, 92423, 105171, 245399, 277269, 646961, 736197, 1016653, 1940883, 3049959, 7116571, 21349713]

約数ペア:

[(1, 21349713), (3, 7116571), (7, 3049959), (11, 1940883), (21, 1016653), (29, 736197), (33, 646961), (77, 277269), (87, 245399), (203, 105171), (231, 92423), (319, 66927), (609, 35057), (957, 22309), (2233, 9561), (3187, 6699)]