20189211

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1171}}^1$

素因数の和:2002

約数の個数: 16

約数和(自身を含む): 30828288

約数和(自身を除く): 10639077

約数列:

[1, 3, 7, 21, 821, 1171, 2463, 3513, 5747, 8197, 17241, 24591, 961391, 2884173, 6729737, 20189211]

約数ペア:

[(1, 20189211), (3, 6729737), (7, 2884173), (21, 961391), (821, 24591), (1171, 17241), (2463, 8197), (3513, 5747)]