21872354

素因数分解:

$2^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1823}}^1$

素因数の和:2689

約数の個数: 16

約数和(自身を含む): 37559808

約数和(自身を除く): 15687454

約数列:

[1, 2, 7, 14, 857, 1714, 1823, 3646, 5999, 11998, 12761, 25522, 1562311, 3124622, 10936177, 21872354]

約数ペア:

[(1, 21872354), (2, 10936177), (7, 3124622), (14, 1562311), (857, 25522), (1714, 12761), (1823, 11998), (3646, 5999)]