21000887996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477292909}}^1$

素因数の和:477292924

約数の個数: 12

約数和(自身を含む): 40092604440

約数和(自身を除く): 19091716444

約数列:

[1, 2, 4, 11, 22, 44, 477292909, 954585818, 1909171636, 5250221999, 10500443998, 21000887996]

約数ペア:

[(1, 21000887996), (2, 10500443998), (4, 5250221999), (11, 1909171636), (22, 954585818), (44, 477292909)]