21616443

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{1249}}^1$

素因数の和:1899

約数の個数: 16

約数和(自身を含む): 32100000

約数和(自身を除く): 10483557

約数列:

[1, 3, 9, 27, 641, 1249, 1923, 3747, 5769, 11241, 17307, 33723, 800609, 2401827, 7205481, 21616443]

約数ペア:

[(1, 21616443), (3, 7205481), (9, 2401827), (27, 800609), (641, 33723), (1249, 17307), (1923, 11241), (3747, 5769)]