21588165

素因数分解:

$3^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{809}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 37528920

約数和(自身を除く): 15940755

約数列:

[1, 3, 5, 9, 15, 45, 593, 809, 1779, 2427, 2965, 4045, 5337, 7281, 8895, 12135, 26685, 36405, 479737, 1439211, 2398685, 4317633, 7196055, 21588165]

約数ペア:

[(1, 21588165), (3, 7196055), (5, 4317633), (9, 2398685), (15, 1439211), (45, 479737), (593, 36405), (809, 26685), (1779, 12135), (2427, 8895), (2965, 7281), (4045, 5337)]