21349310

素因数分解:

$2^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{3449}}^1$

素因数の和:4075

約数の個数: 16

約数和(自身を含む): 38502000

約数和(自身を除く): 17152690

約数列:

[1, 2, 5, 10, 619, 1238, 3095, 3449, 6190, 6898, 17245, 34490, 2134931, 4269862, 10674655, 21349310]

約数ペア:

[(1, 21349310), (2, 10674655), (5, 4269862), (10, 2134931), (619, 34490), (1238, 17245), (3095, 6898), (3449, 6190)]