21308342

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:676

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 14084554

約数列:

[1, 2, 11, 22, 121, 191, 242, 382, 461, 922, 2101, 4202, 5071, 10142, 23111, 46222, 55781, 88051, 111562, 176102, 968561, 1937122, 10654171, 21308342]

約数ペア:

[(1, 21308342), (2, 10654171), (11, 1937122), (22, 968561), (121, 176102), (191, 111562), (242, 88051), (382, 55781), (461, 46222), (922, 23111), (2101, 10142), (4202, 5071)]