21425782

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{35591}}^1$

素因数の和:35643

約数の個数: 16

約数和(自身を含む): 37585152

約数和(自身を除く): 16159370

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 35591, 71182, 249137, 498274, 1530413, 3060826, 10712891, 21425782]

約数ペア:

[(1, 21425782), (2, 10712891), (7, 3060826), (14, 1530413), (43, 498274), (86, 249137), (301, 71182), (602, 35591)]