19330521

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21407}}^1$

素因数の和:21460

約数の個数: 16

約数和(自身を含む): 30142464

約数和(自身を除く): 10811943

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21407, 64221, 149849, 449547, 920501, 2761503, 6443507, 19330521]

約数ペア:

[(1, 19330521), (3, 6443507), (7, 2761503), (21, 920501), (43, 449547), (129, 149849), (301, 64221), (903, 21407)]