21713872

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3911}}^1$

素因数の和:4266

約数の個数: 20

約数和(自身を含む): 42202656

約数和(自身を除く): 20488784

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 3911, 5552, 7822, 15644, 31288, 62576, 1357117, 2714234, 5428468, 10856936, 21713872]

約数ペア:

[(1, 21713872), (2, 10856936), (4, 5428468), (8, 2714234), (16, 1357117), (347, 62576), (694, 31288), (1388, 15644), (2776, 7822), (3911, 5552)]