21677326

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 37363680

約数和(自身を除く): 15686354

約数列:

[1, 2, 11, 22, 29, 58, 61, 122, 319, 557, 638, 671, 1114, 1342, 1769, 3538, 6127, 12254, 16153, 19459, 32306, 33977, 38918, 67954, 177683, 355366, 373747, 747494, 985333, 1970666, 10838663, 21677326]

約数ペア:

[(1, 21677326), (2, 10838663), (11, 1970666), (22, 985333), (29, 747494), (58, 373747), (61, 355366), (122, 177683), (319, 67954), (557, 38918), (638, 33977), (671, 32306), (1114, 19459), (1342, 16153), (1769, 12254), (3538, 6127)]