21289010

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16763}}^1$

素因数の和:16897

約数の個数: 16

約数和(自身を含む): 38624256

約数和(自身を除く): 17335246

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 16763, 33526, 83815, 167630, 2128901, 4257802, 10644505, 21289010]

約数ペア:

[(1, 21289010), (2, 10644505), (5, 4257802), (10, 2128901), (127, 167630), (254, 83815), (635, 33526), (1270, 16763)]