21000742554

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2973767}}^1$

素因数の和:2973890

約数の個数: 32

約数和(自身を含む): 46248039936

約数和(自身を除く): 25247297382

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 107, 214, 321, 642, 1177, 2354, 3531, 7062, 2973767, 5947534, 8921301, 17842602, 32711437, 65422874, 98134311, 196268622, 318193069, 636386138, 954579207, 1909158414, 3500123759, 7000247518, 10500371277, 21000742554]

約数ペア:

[(1, 21000742554), (2, 10500371277), (3, 7000247518), (6, 3500123759), (11, 1909158414), (22, 954579207), (33, 636386138), (66, 318193069), (107, 196268622), (214, 98134311), (321, 65422874), (642, 32711437), (1177, 17842602), (2354, 8921301), (3531, 5947534), (7062, 2973767)]