21717054

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16993}}^1$

素因数の和:17072

約数の個数: 24

約数和(自身を含む): 47719152

約数和(自身を除く): 26002098

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16993, 33986, 50979, 101958, 152937, 305874, 1206503, 2413006, 3619509, 7239018, 10858527, 21717054]

約数ペア:

[(1, 21717054), (2, 10858527), (3, 7239018), (6, 3619509), (9, 2413006), (18, 1206503), (71, 305874), (142, 152937), (213, 101958), (426, 50979), (639, 33986), (1278, 16993)]