21658186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 37195200

約数和(自身を除く): 15537014

約数列:

[1, 2, 11, 22, 29, 58, 83, 166, 319, 409, 638, 818, 913, 1826, 2407, 4499, 4814, 8998, 11861, 23722, 26477, 33947, 52954, 67894, 130471, 260942, 373417, 746834, 984463, 1968926, 10829093, 21658186]

約数ペア:

[(1, 21658186), (2, 10829093), (11, 1968926), (22, 984463), (29, 746834), (58, 373417), (83, 260942), (166, 130471), (319, 67894), (409, 52954), (638, 33947), (818, 26477), (913, 23722), (1826, 11861), (2407, 8998), (4499, 4814)]