21339386

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10289}}^1$

素因数の和:10369

約数の個数: 16

約数和(自身を含む): 34450920

約数和(自身を除く): 13111534

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 10289, 20578, 174913, 349826, 627629, 1255258, 10669693, 21339386]

約数ペア:

[(1, 21339386), (2, 10669693), (17, 1255258), (34, 627629), (61, 349826), (122, 174913), (1037, 20578), (2074, 10289)]