21271874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{3019}}^1$

素因数の和:3305

約数の個数: 16

約数和(自身を含む): 34500480

約数和(自身を除く): 13228606

約数列:

[1, 2, 13, 26, 271, 542, 3019, 3523, 6038, 7046, 39247, 78494, 818149, 1636298, 10635937, 21271874]

約数ペア:

[(1, 21271874), (2, 10635937), (13, 1636298), (26, 818149), (271, 78494), (542, 39247), (3019, 7046), (3523, 6038)]