21744227

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 23761920

約数和(自身を除く): 2017693

約数列:

[1, 19, 41, 103, 271, 779, 1957, 4223, 5149, 11111, 27913, 80237, 211109, 530347, 1144433, 21744227]

約数ペア:

[(1, 21744227), (19, 1144433), (41, 530347), (103, 211109), (271, 80237), (779, 27913), (1957, 11111), (4223, 5149)]