21069070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191537}}^1$

素因数の和:191555

約数の個数: 16

約数和(自身を含む): 41372208

約数和(自身を除く): 20303138

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191537, 383074, 957685, 1915370, 2106907, 4213814, 10534535, 21069070]

約数ペア:

[(1, 21069070), (2, 10534535), (5, 4213814), (10, 2106907), (11, 1915370), (22, 957685), (55, 383074), (110, 191537)]