21140666

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{911}}^1$

素因数の和:1237

約数の個数: 16

約数和(自身を含む): 32635008

約数和(自身を除く): 11494342

約数列:

[1, 2, 41, 82, 283, 566, 911, 1822, 11603, 23206, 37351, 74702, 257813, 515626, 10570333, 21140666]

約数ペア:

[(1, 21140666), (2, 10570333), (41, 515626), (82, 257813), (283, 74702), (566, 37351), (911, 23206), (1822, 11603)]