21659265

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1933}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 38989440

約数和(自身を除く): 17330175

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1933, 2241, 3735, 5799, 9665, 11205, 17397, 28995, 52191, 86985, 160439, 260955, 481317, 802195, 1443951, 2406585, 4331853, 7219755, 21659265]

約数ペア:

[(1, 21659265), (3, 7219755), (5, 4331853), (9, 2406585), (15, 1443951), (27, 802195), (45, 481317), (83, 260955), (135, 160439), (249, 86985), (415, 52191), (747, 28995), (1245, 17397), (1933, 11205), (2241, 9665), (3735, 5799)]