21155244

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 54284160

約数和(自身を除く): 33128916

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 139, 278, 417, 556, 834, 1153, 1529, 1668, 2306, 3058, 3459, 4587, 4612, 6116, 6918, 9174, 12683, 13836, 18348, 25366, 38049, 50732, 76098, 152196, 160267, 320534, 480801, 641068, 961602, 1762937, 1923204, 3525874, 5288811, 7051748, 10577622, 21155244]

約数ペア:

[(1, 21155244), (2, 10577622), (3, 7051748), (4, 5288811), (6, 3525874), (11, 1923204), (12, 1762937), (22, 961602), (33, 641068), (44, 480801), (66, 320534), (132, 160267), (139, 152196), (278, 76098), (417, 50732), (556, 38049), (834, 25366), (1153, 18348), (1529, 13836), (1668, 12683), (2306, 9174), (3058, 6918), (3459, 6116), (4587, 4612)]