21385485

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14401}}^1$

素因数の和:14426

約数の個数: 32

約数和(自身を含む): 41477760

約数和(自身を除く): 20092275

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14401, 43203, 72005, 129609, 158411, 216015, 388827, 475233, 648045, 792055, 1425699, 1944135, 2376165, 4277097, 7128495, 21385485]

約数ペア:

[(1, 21385485), (3, 7128495), (5, 4277097), (9, 2376165), (11, 1944135), (15, 1425699), (27, 792055), (33, 648045), (45, 475233), (55, 388827), (99, 216015), (135, 158411), (165, 129609), (297, 72005), (495, 43203), (1485, 14401)]