21481262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1753}}^1$

素因数の和:2323

約数の個数: 16

約数和(自身を含む): 35234352

約数和(自身を除く): 13753090

約数列:

[1, 2, 11, 22, 557, 1114, 1753, 3506, 6127, 12254, 19283, 38566, 976421, 1952842, 10740631, 21481262]

約数ペア:

[(1, 21481262), (2, 10740631), (11, 1952842), (22, 976421), (557, 38566), (1114, 19283), (1753, 12254), (3506, 6127)]