21778323

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2341}}^1$

素因数の和:2794

約数の個数: 16

約数和(自身を含む): 33275136

約数和(自身を除く): 11496813

約数列:

[1, 3, 7, 21, 443, 1329, 2341, 3101, 7023, 9303, 16387, 49161, 1037063, 3111189, 7259441, 21778323]

約数ペア:

[(1, 21778323), (3, 7259441), (7, 3111189), (21, 1037063), (443, 49161), (1329, 16387), (2341, 9303), (3101, 7023)]