21069135

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5641}}^1$

素因数の和:5735

約数の個数: 24

約数和(自身を含む): 36966384

約数和(自身を除く): 15897249

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5641, 16923, 28205, 50769, 84615, 253845, 468203, 1404609, 2341015, 4213827, 7023045, 21069135]

約数ペア:

[(1, 21069135), (3, 7023045), (5, 4213827), (9, 2341015), (15, 1404609), (45, 468203), (83, 253845), (249, 84615), (415, 50769), (747, 28205), (1245, 16923), (3735, 5641)]