21943402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11887}}^1$

素因数の和:11973

約数の個数: 16

約数和(自身を含む): 35949312

約数和(自身を除く): 14005910

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11887, 23774, 154531, 309062, 843977, 1687954, 10971701, 21943402]

約数ペア:

[(1, 21943402), (2, 10971701), (13, 1687954), (26, 843977), (71, 309062), (142, 154531), (923, 23774), (1846, 11887)]