21087802

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3359}}^1$

素因数の和:3477

約数の個数: 16

約数和(自身を含む): 32820480

約数和(自身を除く): 11732678

約数列:

[1, 2, 43, 73, 86, 146, 3139, 3359, 6278, 6718, 144437, 245207, 288874, 490414, 10543901, 21087802]

約数ペア:

[(1, 21087802), (2, 10543901), (43, 490414), (73, 288874), (86, 245207), (146, 144437), (3139, 6718), (3359, 6278)]