21921186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1063}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 50254848

約数和(自身を除く): 28333662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 491, 982, 1063, 1473, 2126, 2946, 3189, 3437, 6378, 6874, 7441, 10311, 14882, 20622, 22323, 44646, 521933, 1043866, 1565799, 3131598, 3653531, 7307062, 10960593, 21921186]

約数ペア:

[(1, 21921186), (2, 10960593), (3, 7307062), (6, 3653531), (7, 3131598), (14, 1565799), (21, 1043866), (42, 521933), (491, 44646), (982, 22323), (1063, 20622), (1473, 14882), (2126, 10311), (2946, 7441), (3189, 6874), (3437, 6378)]