21616185

素因数分解:

$3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3253}}^1$

素因数の和:3704

約数の個数: 16

約数和(自身を含む): 34674624

約数和(自身を除く): 13058439

約数列:

[1, 3, 5, 15, 443, 1329, 2215, 3253, 6645, 9759, 16265, 48795, 1441079, 4323237, 7205395, 21616185]

約数ペア:

[(1, 21616185), (3, 7205395), (5, 4323237), (15, 1441079), (443, 48795), (1329, 16265), (2215, 9759), (3253, 6645)]