2099294211

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{751627}}^1$

素因数の和:751663

約数の個数: 24

約数和(自身を含む): 3427423680

約数和(自身を除く): 1328129469

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 751627, 2254881, 5261389, 14280913, 15784167, 36829723, 42842739, 99966391, 110489169, 299899173, 699764737, 2099294211]

約数ペア:

[(1, 2099294211), (3, 699764737), (7, 299899173), (19, 110489169), (21, 99966391), (49, 42842739), (57, 36829723), (133, 15784167), (147, 14280913), (399, 5261389), (931, 2254881), (2793, 751627)]