21833991

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 32707584

約数和(自身を除く): 10873593

約数列:

[1, 3, 9, 47, 71, 141, 213, 423, 639, 727, 2181, 3337, 6543, 10011, 30033, 34169, 51617, 102507, 154851, 307521, 464553, 2425999, 7277997, 21833991]

約数ペア:

[(1, 21833991), (3, 7277997), (9, 2425999), (47, 464553), (71, 307521), (141, 154851), (213, 102507), (423, 51617), (639, 34169), (727, 30033), (2181, 10011), (3337, 6543)]