21086872

素因数分解:

$2^3\times {\mathrm{463}}^1\times {\mathrm{5693}}^1$

素因数の和:6162

約数の個数: 16

約数和(自身を含む): 39630240

約数和(自身を除く): 18543368

約数列:

[1, 2, 4, 8, 463, 926, 1852, 3704, 5693, 11386, 22772, 45544, 2635859, 5271718, 10543436, 21086872]

約数ペア:

[(1, 21086872), (2, 10543436), (4, 5271718), (8, 2635859), (463, 45544), (926, 22772), (1852, 11386), (3704, 5693)]