21564752

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122527}}^1$

素因数の和:122546

約数の個数: 20

約数和(自身を含む): 45580416

約数和(自身を除く): 24015664

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122527, 245054, 490108, 980216, 1347797, 1960432, 2695594, 5391188, 10782376, 21564752]

約数ペア:

[(1, 21564752), (2, 10782376), (4, 5391188), (8, 2695594), (11, 1960432), (16, 1347797), (22, 980216), (44, 490108), (88, 245054), (176, 122527)]