21331726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20011}}^1$

素因数の和:20067

約数の個数: 16

約数和(自身を含む): 35301168

約数和(自身を除く): 13969442

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 20011, 40022, 260143, 520286, 820451, 1640902, 10665863, 21331726]

約数ペア:

[(1, 21331726), (2, 10665863), (13, 1640902), (26, 820451), (41, 520286), (82, 260143), (533, 40022), (1066, 20011)]