21888266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4397}}^1$

素因数の和:4549

約数の個数: 16

約数和(自身を含む): 34832160

約数和(自身を除く): 12943894

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4397, 4978, 8794, 83543, 167086, 576007, 1152014, 10944133, 21888266]

約数ペア:

[(1, 21888266), (2, 10944133), (19, 1152014), (38, 576007), (131, 167086), (262, 83543), (2489, 8794), (4397, 4978)]