21325347

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 32617728

約数和(自身を除く): 11292381

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1451, 1633, 4353, 4899, 13059, 14697, 33373, 100119, 103021, 300357, 309063, 927189, 2369483, 7108449, 21325347]

約数ペア:

[(1, 21325347), (3, 7108449), (9, 2369483), (23, 927189), (69, 309063), (71, 300357), (207, 103021), (213, 100119), (639, 33373), (1451, 14697), (1633, 13059), (4353, 4899)]