21652713

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1033}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 33389928

約数和(自身を除く): 11737215

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1033, 1233, 2329, 3099, 6987, 9297, 17561, 20961, 52683, 141521, 158049, 424563, 1273689, 2405857, 7217571, 21652713]

約数ペア:

[(1, 21652713), (3, 7217571), (9, 2405857), (17, 1273689), (51, 424563), (137, 158049), (153, 141521), (411, 52683), (1033, 20961), (1233, 17561), (2329, 9297), (3099, 6987)]