21477118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12329}}^1$

素因数の和:12411

約数の個数: 16

約数和(自身を含む): 35214480

約数和(自身を除く): 13737362

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12329, 24658, 160277, 320554, 826043, 1652086, 10738559, 21477118]

約数ペア:

[(1, 21477118), (2, 10738559), (13, 1652086), (26, 826043), (67, 320554), (134, 160277), (871, 24658), (1742, 12329)]