21108022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5171}}^1$

素因数の和:5343

約数の個数: 16

約数和(自身を含む): 34321392

約数和(自身を除く): 13213370

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 5171, 10342, 67223, 134446, 811847, 1623694, 10554011, 21108022]

約数ペア:

[(1, 21108022), (2, 10554011), (13, 1623694), (26, 811847), (157, 134446), (314, 67223), (2041, 10342), (4082, 5171)]