21151752

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12413}}^1$

素因数の和:12493

約数の個数: 32

約数和(自身を含む): 53628480

約数和(自身を除く): 32476728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12413, 24826, 37239, 49652, 74478, 99304, 148956, 297912, 881323, 1762646, 2643969, 3525292, 5287938, 7050584, 10575876, 21151752]

約数ペア:

[(1, 21151752), (2, 10575876), (3, 7050584), (4, 5287938), (6, 3525292), (8, 2643969), (12, 1762646), (24, 881323), (71, 297912), (142, 148956), (213, 99304), (284, 74478), (426, 49652), (568, 37239), (852, 24826), (1704, 12413)]