20210043

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22381}}^1$

素因数の和:22434

約数の個数: 16

約数和(自身を含む): 31513856

約数和(自身を除く): 11303813

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22381, 67143, 156667, 470001, 962383, 2887149, 6736681, 20210043]

約数ペア:

[(1, 20210043), (3, 6736681), (7, 2887149), (21, 962383), (43, 470001), (129, 156667), (301, 67143), (903, 22381)]