21003796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477359}}^1$

素因数の和:477374

約数の個数: 12

約数和(自身を含む): 40098240

約数和(自身を除く): 19094444

約数列:

[1, 2, 4, 11, 22, 44, 477359, 954718, 1909436, 5250949, 10501898, 21003796]

約数ペア:

[(1, 21003796), (2, 10501898), (4, 5250949), (11, 1909436), (22, 954718), (44, 477359)]