21473386

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1110

約数の個数: 24

約数和(自身を含む): 35838180

約数和(自身を除く): 14364794

約数列:

[1, 2, 11, 22, 89, 121, 178, 242, 979, 997, 1958, 1994, 10769, 10967, 21538, 21934, 88733, 120637, 177466, 241274, 976063, 1952126, 10736693, 21473386]

約数ペア:

[(1, 21473386), (2, 10736693), (11, 1952126), (22, 976063), (89, 241274), (121, 177466), (178, 120637), (242, 88733), (979, 21934), (997, 21538), (1958, 10967), (1994, 10769)]