21705398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2617}}^1$

素因数の和:2672

約数の個数: 32

約数和(自身を含む): 39584160

約数和(自身を除く): 17878762

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 143, 286, 319, 377, 638, 754, 2617, 4147, 5234, 8294, 28787, 34021, 57574, 68042, 75893, 151786, 374231, 748462, 834823, 986609, 1669646, 1973218, 10852699, 21705398]

約数ペア:

[(1, 21705398), (2, 10852699), (11, 1973218), (13, 1669646), (22, 986609), (26, 834823), (29, 748462), (58, 374231), (143, 151786), (286, 75893), (319, 68042), (377, 57574), (638, 34021), (754, 28787), (2617, 8294), (4147, 5234)]