21861572254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1\times {\mathrm{529259}}^1$

素因数の和:530367

約数の個数: 16

約数和(自身を含む): 34550092800

約数和(自身を除く): 12688520546

約数列:

[1, 2, 19, 38, 1087, 2174, 20653, 41306, 529259, 1058518, 10055921, 20111842, 575304533, 1150609066, 10930786127, 21861572254]

約数ペア:

[(1, 21861572254), (2, 10930786127), (19, 1150609066), (38, 575304533), (1087, 20111842), (2174, 10055921), (20653, 1058518), (41306, 529259)]