21243699

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{57571}}^1$

素因数の和:57618

約数の個数: 12

約数和(自身を含む): 31434312

約数和(自身を除く): 10190613

約数列:

[1, 3, 9, 41, 123, 369, 57571, 172713, 518139, 2360411, 7081233, 21243699]

約数ペア:

[(1, 21243699), (3, 7081233), (9, 2360411), (41, 518139), (123, 172713), (369, 57571)]