21909454

素因数分解:

$2^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{3631}}^1$

素因数の和:4071

約数の個数: 16

約数和(自身を含む): 37656576

約数和(自身を除く): 15747122

約数列:

[1, 2, 7, 14, 431, 862, 3017, 3631, 6034, 7262, 25417, 50834, 1564961, 3129922, 10954727, 21909454]

約数ペア:

[(1, 21909454), (2, 10954727), (7, 3129922), (14, 1564961), (431, 50834), (862, 25417), (3017, 7262), (3631, 6034)]