21321805

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5011}}^1$

素因数の和:5076

約数の個数: 16

約数和(自身を含む): 27425664

約数和(自身を除く): 6103859

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 5011, 25055, 115253, 185407, 576265, 927035, 4264361, 21321805]

約数ペア:

[(1, 21321805), (5, 4264361), (23, 927035), (37, 576265), (115, 185407), (185, 115253), (851, 25055), (4255, 5011)]