21161244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135649}}^1$

素因数の和:135669

約数の個数: 24

約数和(自身を含む): 53174800

約数和(自身を除く): 32013556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135649, 271298, 406947, 542596, 813894, 1627788, 1763437, 3526874, 5290311, 7053748, 10580622, 21161244]

約数ペア:

[(1, 21161244), (2, 10580622), (3, 7053748), (4, 5290311), (6, 3526874), (12, 1763437), (13, 1627788), (26, 813894), (39, 542596), (52, 406947), (78, 271298), (156, 135649)]