21000676796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477288109}}^1$

素因数の和:477288124

約数の個数: 12

約数和(自身を含む): 40092201240

約数和(自身を除く): 19091524444

約数列:

[1, 2, 4, 11, 22, 44, 477288109, 954576218, 1909152436, 5250169199, 10500338398, 21000676796]

約数ペア:

[(1, 21000676796), (2, 10500338398), (4, 5250169199), (11, 1909152436), (22, 954576218), (44, 477288109)]