212121206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29851}}^1$

素因数の和:29900

約数の個数: 32

約数和(自身を含む): 386881920

約数和(自身を除く): 174760714

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 3553, 7106, 29851, 59702, 328361, 507467, 567169, 656722, 1014934, 1134338, 5582137, 6238859, 9641873, 11164274, 12477718, 19283746, 106060603, 212121206]

約数ペア:

[(1, 212121206), (2, 106060603), (11, 19283746), (17, 12477718), (19, 11164274), (22, 9641873), (34, 6238859), (38, 5582137), (187, 1134338), (209, 1014934), (323, 656722), (374, 567169), (418, 507467), (646, 328361), (3553, 59702), (7106, 29851)]