21445456

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3797}}^1$

素因数の和:4158

約数の個数: 20

約数和(自身を含む): 41679252

約数和(自身を除く): 20233796

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 3797, 5648, 7594, 15188, 30376, 60752, 1340341, 2680682, 5361364, 10722728, 21445456]

約数ペア:

[(1, 21445456), (2, 10722728), (4, 5361364), (8, 2680682), (16, 1340341), (353, 60752), (706, 30376), (1412, 15188), (2824, 7594), (3797, 5648)]