21503218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1549}}^1$

素因数の和:2193

約数の個数: 16

約数和(自身を含む): 35265600

約数和(自身を除く): 13762382

約数列:

[1, 2, 11, 22, 631, 1262, 1549, 3098, 6941, 13882, 17039, 34078, 977419, 1954838, 10751609, 21503218]

約数ペア:

[(1, 21503218), (2, 10751609), (11, 1954838), (22, 977419), (631, 34078), (1262, 17039), (1549, 13882), (3098, 6941)]