21626266

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:749

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 11305094

約数列:

[1, 2, 131, 197, 262, 394, 419, 838, 25807, 51614, 54889, 82543, 109778, 165086, 10813133, 21626266]

約数ペア:

[(1, 21626266), (2, 10813133), (131, 165086), (197, 109778), (262, 82543), (394, 54889), (419, 51614), (838, 25807)]