21041046

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 51795744

約数和(自身を除く): 30754698

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 97, 103, 117, 162, 194, 206, 234, 291, 309, 351, 582, 618, 702, 873, 927, 1053, 1261, 1339, 1746, 1854, 2106, 2522, 2619, 2678, 2781, 3783, 4017, 5238, 5562, 7566, 7857, 8034, 8343, 9991, 11349, 12051, 15714, 16686, 19982, 22698, 24102, 29973, 34047, 36153, 59946, 68094, 72306, 89919, 102141, 108459, 129883, 179838, 204282, 216918, 259766, 269757, 389649, 539514, 779298, 809271, 1168947, 1618542, 2337894, 3506841, 7013682, 10520523, 21041046]

約数ペア:

[(1, 21041046), (2, 10520523), (3, 7013682), (6, 3506841), (9, 2337894), (13, 1618542), (18, 1168947), (26, 809271), (27, 779298), (39, 539514), (54, 389649), (78, 269757), (81, 259766), (97, 216918), (103, 204282), (117, 179838), (162, 129883), (194, 108459), (206, 102141), (234, 89919), (291, 72306), (309, 68094), (351, 59946), (582, 36153), (618, 34047), (702, 29973), (873, 24102), (927, 22698), (1053, 19982), (1261, 16686), (1339, 15714), (1746, 12051), (1854, 11349), (2106, 9991), (2522, 8343), (2619, 8034), (2678, 7857), (2781, 7566), (3783, 5562), (4017, 5238)]