21452144

素因数分解:

$2^4\times 7^1\times {\mathrm{191537}}^1$

素因数の和:191552

約数の個数: 20

約数和(自身を含む): 47501424

約数和(自身を除く): 26049280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191537, 383074, 766148, 1340759, 1532296, 2681518, 3064592, 5363036, 10726072, 21452144]

約数ペア:

[(1, 21452144), (2, 10726072), (4, 5363036), (7, 3064592), (8, 2681518), (14, 1532296), (16, 1340759), (28, 766148), (56, 383074), (112, 191537)]