21925786

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2339}}^1$

素因数の和:2493

約数の個数: 16

約数和(自身を含む): 33976800

約数和(自身を除く): 12051014

約数列:

[1, 2, 43, 86, 109, 218, 2339, 4678, 4687, 9374, 100577, 201154, 254951, 509902, 10962893, 21925786]

約数ペア:

[(1, 21925786), (2, 10962893), (43, 509902), (86, 254951), (109, 201154), (218, 100577), (2339, 9374), (4678, 4687)]