21283956

素因数分解:

$2^2\times 3^2\times {\mathrm{593}}^1\times {\mathrm{997}}^1$

素因数の和:1600

約数の個数: 36

約数和(自身を含む): 53945892

約数和(自身を除く): 32661936

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 593, 997, 1186, 1779, 1994, 2372, 2991, 3558, 3988, 5337, 5982, 7116, 8973, 10674, 11964, 17946, 21348, 35892, 591221, 1182442, 1773663, 2364884, 3547326, 5320989, 7094652, 10641978, 21283956]

約数ペア:

[(1, 21283956), (2, 10641978), (3, 7094652), (4, 5320989), (6, 3547326), (9, 2364884), (12, 1773663), (18, 1182442), (36, 591221), (593, 35892), (997, 21348), (1186, 17946), (1779, 11964), (1994, 10674), (2372, 8973), (2991, 7116), (3558, 5982), (3988, 5337)]