21536145

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2381}}^1$

素因数の和:2462

約数の個数: 32

約数和(自身を含む): 38874240

約数和(自身を除く): 17338095

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 2381, 3015, 7143, 9045, 11905, 21429, 35715, 64287, 107145, 159527, 321435, 478581, 797635, 1435743, 2392905, 4307229, 7178715, 21536145]

約数ペア:

[(1, 21536145), (3, 7178715), (5, 4307229), (9, 2392905), (15, 1435743), (27, 797635), (45, 478581), (67, 321435), (135, 159527), (201, 107145), (335, 64287), (603, 35715), (1005, 21429), (1809, 11905), (2381, 9045), (3015, 7143)]