21545797

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4013}}^1$

素因数の和:4092

約数の個数: 16

約数和(自身を含む): 26974080

約数和(自身を除く): 5428283

約数列:

[1, 7, 13, 59, 91, 413, 767, 4013, 5369, 28091, 52169, 236767, 365183, 1657369, 3077971, 21545797]

約数ペア:

[(1, 21545797), (7, 3077971), (13, 1657369), (59, 365183), (91, 236767), (413, 52169), (767, 28091), (4013, 5369)]