21008889711

素因数分解:

$3^2\times {\mathrm{761}}^1\times {\mathrm{3067439}}^1$

素因数の和:3068206

約数の個数: 12

約数和(自身を含む): 30386060640

約数和(自身を除く): 9377170929

約数列:

[1, 3, 9, 761, 2283, 6849, 3067439, 9202317, 27606951, 2334321079, 7002963237, 21008889711]

約数ペア:

[(1, 21008889711), (3, 7002963237), (9, 2334321079), (761, 27606951), (2283, 9202317), (6849, 3067439)]