21435165

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1913}}^1$

素因数の和:2010

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 17151075

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1913, 2241, 3735, 5739, 9565, 11205, 17217, 28695, 51651, 86085, 158779, 258255, 476337, 793895, 1429011, 2381685, 4287033, 7145055, 21435165]

約数ペア:

[(1, 21435165), (3, 7145055), (5, 4287033), (9, 2381685), (15, 1429011), (27, 793895), (45, 476337), (83, 258255), (135, 158779), (249, 86085), (415, 51651), (747, 28695), (1245, 17217), (1913, 11205), (2241, 9565), (3735, 5739)]