21832880

素因数分解:

$2^4\times 5^1\times {\mathrm{272911}}^1$

素因数の和:272924

約数の個数: 20

約数和(自身を含む): 50761632

約数和(自身を除く): 28928752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 272911, 545822, 1091644, 1364555, 2183288, 2729110, 4366576, 5458220, 10916440, 21832880]

約数ペア:

[(1, 21832880), (2, 10916440), (4, 5458220), (5, 4366576), (8, 2729110), (10, 2183288), (16, 1364555), (20, 1091644), (40, 545822), (80, 272911)]