21129296

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2441}}^1$

素因数の和:2990

約数の個数: 20

約数和(自身を含む): 41030484

約数和(自身を除く): 19901188

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2441, 4328, 4882, 8656, 9764, 19528, 39056, 1320581, 2641162, 5282324, 10564648, 21129296]

約数ペア:

[(1, 21129296), (2, 10564648), (4, 5282324), (8, 2641162), (16, 1320581), (541, 39056), (1082, 19528), (2164, 9764), (2441, 8656), (4328, 4882)]