21091490211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{944071}}^1$

素因数の和:944762

約数の個数: 16

約数和(自身を含む): 30723879168

約数和(自身を除く): 9632388957

約数列:

[1, 3, 11, 33, 677, 2031, 7447, 22341, 944071, 2832213, 10384781, 31154343, 639136067, 1917408201, 7030496737, 21091490211]

約数ペア:

[(1, 21091490211), (3, 7030496737), (11, 1917408201), (33, 639136067), (677, 31154343), (2031, 10384781), (7447, 2832213), (22341, 944071)]