21160526

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:983

約数の個数: 16

約数和(自身を含む): 32323200

約数和(自身を除く): 11162674

約数列:

[1, 2, 103, 139, 206, 278, 739, 1478, 14317, 28634, 76117, 102721, 152234, 205442, 10580263, 21160526]

約数ペア:

[(1, 21160526), (2, 10580263), (103, 205442), (139, 152234), (206, 102721), (278, 76117), (739, 28634), (1478, 14317)]