21587885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4729}}^1$

素因数の和:4828

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 7019155

約数列:

[1, 5, 11, 55, 83, 415, 913, 4565, 4729, 23645, 52019, 260095, 392507, 1962535, 4317577, 21587885]

約数ペア:

[(1, 21587885), (5, 4317577), (11, 1962535), (55, 392507), (83, 260095), (415, 52019), (913, 23645), (4565, 4729)]