21809102

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53717}}^1$

素因数の和:53755

約数の個数: 16

約数和(自身を含む): 38676960

約数和(自身を除く): 16867858

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53717, 107434, 376019, 752038, 1557793, 3115586, 10904551, 21809102]

約数ペア:

[(1, 21809102), (2, 10904551), (7, 3115586), (14, 1557793), (29, 752038), (58, 376019), (203, 107434), (406, 53717)]