21009391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{24121}}^1$

素因数の和:24201

約数の個数: 8

約数和(自身を含む): 22964144

約数和(自身を除く): 1954753

約数列:

[1, 13, 67, 871, 24121, 313573, 1616107, 21009391]

約数ペア:

[(1, 21009391), (13, 1616107), (67, 313573), (871, 24121)]