21965564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{1019}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 40869360

約数和(自身を除く): 18903796

約数列:

[1, 2, 4, 17, 34, 68, 317, 634, 1019, 1268, 2038, 4076, 5389, 10778, 17323, 21556, 34646, 69292, 323023, 646046, 1292092, 5491391, 10982782, 21965564]

約数ペア:

[(1, 21965564), (2, 10982782), (4, 5491391), (17, 1292092), (34, 646046), (68, 323023), (317, 69292), (634, 34646), (1019, 21556), (1268, 17323), (2038, 10778), (4076, 5389)]