21612703

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1326

約数の個数: 16

約数和(自身を含む): 25724160

約数和(自身を除く): 4111457

約数列:

[1, 7, 43, 59, 301, 413, 1217, 2537, 8519, 17759, 52331, 71803, 366317, 502621, 3087529, 21612703]

約数ペア:

[(1, 21612703), (7, 3087529), (43, 502621), (59, 366317), (301, 71803), (413, 52331), (1217, 17759), (2537, 8519)]