21105502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{2081}}^1$

素因数の和:2555

約数の個数: 16

約数和(自身を含む): 34627824

約数和(自身を除く): 13522322

約数列:

[1, 2, 11, 22, 461, 922, 2081, 4162, 5071, 10142, 22891, 45782, 959341, 1918682, 10552751, 21105502]

約数ペア:

[(1, 21105502), (2, 10552751), (11, 1918682), (22, 959341), (461, 45782), (922, 22891), (2081, 10142), (4162, 5071)]