21037665818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1\times {\mathrm{24421}}^1$

素因数の和:26402

約数の個数: 32

約数和(自身を含む): 36002912400

約数和(自身を除く): 14965246582

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 1949, 3898, 24421, 25337, 33133, 48842, 50674, 66266, 317473, 415157, 430729, 634946, 830314, 861458, 5397041, 10794082, 47596529, 95193058, 618754877, 809140993, 1237509754, 1618281986, 10518832909, 21037665818]

約数ペア:

[(1, 21037665818), (2, 10518832909), (13, 1618281986), (17, 1237509754), (26, 809140993), (34, 618754877), (221, 95193058), (442, 47596529), (1949, 10794082), (3898, 5397041), (24421, 861458), (25337, 830314), (33133, 634946), (48842, 430729), (50674, 415157), (66266, 317473)]