21530465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8329}}^1$

素因数の和:8392

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 7258015

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 8329, 41645, 91619, 391463, 458095, 1957315, 4306093, 21530465]

約数ペア:

[(1, 21530465), (5, 4306093), (11, 1957315), (47, 458095), (55, 391463), (235, 91619), (517, 41645), (2585, 8329)]