21031858195

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{449}}^1\times {\mathrm{25951}}^1$

素因数の和:26443

約数の個数: 24

約数和(自身を含む): 26696822400

約数和(自身を除く): 5664964205

約数列:

[1, 5, 19, 95, 361, 449, 1805, 2245, 8531, 25951, 42655, 129755, 162089, 493069, 810445, 2465345, 9368311, 11651999, 46841555, 58259995, 221387981, 1106939905, 4206371639, 21031858195]

約数ペア:

[(1, 21031858195), (5, 4206371639), (19, 1106939905), (95, 221387981), (361, 58259995), (449, 46841555), (1805, 11651999), (2245, 9368311), (8531, 2465345), (25951, 810445), (42655, 493069), (129755, 162089)]