21265347

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2083}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 29409408

約数和(自身を除く): 8144061

約数列:

[1, 3, 41, 83, 123, 249, 2083, 3403, 6249, 10209, 85403, 172889, 256209, 518667, 7088449, 21265347]

約数ペア:

[(1, 21265347), (3, 7088449), (41, 518667), (83, 256209), (123, 172889), (249, 85403), (2083, 10209), (3403, 6249)]