21000491996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477283909}}^1$

素因数の和:477283924

約数の個数: 12

約数和(自身を含む): 40091848440

約数和(自身を除く): 19091356444

約数列:

[1, 2, 4, 11, 22, 44, 477283909, 954567818, 1909135636, 5250122999, 10500245998, 21000491996]

約数ペア:

[(1, 21000491996), (2, 10500245998), (4, 5250122999), (11, 1909135636), (22, 954567818), (44, 477283909)]