21928585

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10271}}^1$

素因数の和:10344

約数の個数: 16

約数和(自身を含む): 30569472

約数和(自身を除く): 8640887

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 10271, 51355, 71897, 359485, 626531, 3132655, 4385717, 21928585]

約数ペア:

[(1, 21928585), (5, 4385717), (7, 3132655), (35, 626531), (61, 359485), (305, 71897), (427, 51355), (2135, 10271)]