21167798008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1033}}^1\times {\mathrm{19259}}^1$

素因数の和:20324

約数の個数: 64

約数和(自身を含む): 47795616000

約数和(自身を除く): 26627817992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1033, 1064, 2066, 4132, 7231, 8264, 14462, 19259, 19627, 28924, 38518, 39254, 57848, 77036, 78508, 134813, 137389, 154072, 157016, 269626, 274778, 365921, 539252, 549556, 731842, 1078504, 1099112, 1463684, 2561447, 2927368, 5122894, 10245788, 19894547, 20491576, 39789094, 79578188, 139261829, 159156376, 278523658, 377996393, 557047316, 755992786, 1114094632, 1511985572, 2645974751, 3023971144, 5291949502, 10583899004, 21167798008]

約数ペア:

[(1, 21167798008), (2, 10583899004), (4, 5291949502), (7, 3023971144), (8, 2645974751), (14, 1511985572), (19, 1114094632), (28, 755992786), (38, 557047316), (56, 377996393), (76, 278523658), (133, 159156376), (152, 139261829), (266, 79578188), (532, 39789094), (1033, 20491576), (1064, 19894547), (2066, 10245788), (4132, 5122894), (7231, 2927368), (8264, 2561447), (14462, 1463684), (19259, 1099112), (19627, 1078504), (28924, 731842), (38518, 549556), (39254, 539252), (57848, 365921), (77036, 274778), (78508, 269626), (134813, 157016), (137389, 154072)]