21093039

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 14759505

約数列:

[1, 3, 9, 11, 17, 33, 51, 83, 99, 151, 153, 187, 249, 453, 561, 747, 913, 1359, 1411, 1661, 1683, 2567, 2739, 4233, 4983, 7701, 8217, 12533, 12699, 14949, 15521, 23103, 28237, 37599, 46563, 84711, 112797, 137863, 139689, 213061, 254133, 413589, 639183, 1240767, 1917549, 2343671, 7031013, 21093039]

約数ペア:

[(1, 21093039), (3, 7031013), (9, 2343671), (11, 1917549), (17, 1240767), (33, 639183), (51, 413589), (83, 254133), (99, 213061), (151, 139689), (153, 137863), (187, 112797), (249, 84711), (453, 46563), (561, 37599), (747, 28237), (913, 23103), (1359, 15521), (1411, 14949), (1661, 12699), (1683, 12533), (2567, 8217), (2739, 7701), (4233, 4983)]