28221382

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19571}}^1$

素因数の和:19683

約数の個数: 16

約数和(自身を含む): 48851712

約数和(自身を除く): 20630330

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 19571, 39142, 136997, 273994, 2015813, 4031626, 14110691, 28221382]

約数ペア:

[(1, 28221382), (2, 14110691), (7, 4031626), (14, 2015813), (103, 273994), (206, 136997), (721, 39142), (1442, 19571)]