21050552

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{27127}}^1$

素因数の和:27230

約数の個数: 16

約数和(自身を含む): 39878160

約数和(自身を除く): 18827608

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 27127, 54254, 108508, 217016, 2631319, 5262638, 10525276, 21050552]

約数ペア:

[(1, 21050552), (2, 10525276), (4, 5262638), (8, 2631319), (97, 217016), (194, 108508), (388, 54254), (776, 27127)]