21452366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11621}}^1$

素因数の和:11707

約数の個数: 16

約数和(自身を含む): 35144928

約数和(自身を除く): 13692562

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11621, 23242, 151073, 302146, 825091, 1650182, 10726183, 21452366]

約数ペア:

[(1, 21452366), (2, 10726183), (13, 1650182), (26, 825091), (71, 302146), (142, 151073), (923, 23242), (1846, 11621)]