21253342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1531}}^1$

素因数の和:2175

約数の個数: 16

約数和(自身を含む): 34856064

約数和(自身を除く): 13602722

約数列:

[1, 2, 11, 22, 631, 1262, 1531, 3062, 6941, 13882, 16841, 33682, 966061, 1932122, 10626671, 21253342]

約数ペア:

[(1, 21253342), (2, 10626671), (11, 1932122), (22, 966061), (631, 33682), (1262, 16841), (1531, 13882), (3062, 6941)]