21305388310

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4447889}}^1$

素因数の和:4448375

約数の個数: 16

約数和(自身を含む): 38429769600

約数和(自身を除く): 17124381290

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4790, 4447889, 8895778, 22239445, 44478890, 2130538831, 4261077662, 10652694155, 21305388310]

約数ペア:

[(1, 21305388310), (2, 10652694155), (5, 4261077662), (10, 2130538831), (479, 44478890), (958, 22239445), (2395, 8895778), (4790, 4447889)]