21046456

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{6763}}^1$

素因数の和:7158

約数の個数: 16

約数和(自身を含む): 39569400

約数和(自身を除く): 18522944

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 6763, 13526, 27052, 54104, 2630807, 5261614, 10523228, 21046456]

約数ペア:

[(1, 21046456), (2, 10523228), (4, 5261614), (8, 2630807), (389, 54104), (778, 27052), (1556, 13526), (3112, 6763)]