21809799

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{220301}}^1$

素因数の和:220318

約数の個数: 12

約数和(自身を含む): 34367112

約数和(自身を除く): 12557313

約数列:

[1, 3, 9, 11, 33, 99, 220301, 660903, 1982709, 2423311, 7269933, 21809799]

約数ペア:

[(1, 21809799), (3, 7269933), (9, 2423311), (11, 1982709), (33, 660903), (99, 220301)]