2521820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18013}}^1$

素因数の和:18029

約数の個数: 24

約数和(自身を含む): 6052704

約数和(自身を除く): 3530884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18013, 36026, 72052, 90065, 126091, 180130, 252182, 360260, 504364, 630455, 1260910, 2521820]

約数ペア:

[(1, 2521820), (2, 1260910), (4, 630455), (5, 504364), (7, 360260), (10, 252182), (14, 180130), (20, 126091), (28, 90065), (35, 72052), (70, 36026), (140, 18013)]