21050504

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{20719}}^1$

素因数の和:20852

約数の個数: 16

約数和(自身を含む): 39782400

約数和(自身を除く): 18731896

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 20719, 41438, 82876, 165752, 2631313, 5262626, 10525252, 21050504]

約数ペア:

[(1, 21050504), (2, 10525252), (4, 5262626), (8, 2631313), (127, 165752), (254, 82876), (508, 41438), (1016, 20719)]