21544974

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 36515826

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 23, 27, 33, 38, 46, 54, 57, 66, 69, 83, 99, 114, 138, 166, 171, 198, 207, 209, 249, 253, 297, 342, 414, 418, 437, 498, 506, 513, 594, 621, 627, 747, 759, 874, 913, 1026, 1242, 1254, 1311, 1494, 1518, 1577, 1826, 1881, 1909, 2241, 2277, 2622, 2739, 3154, 3762, 3818, 3933, 4482, 4554, 4731, 4807, 5478, 5643, 5727, 6831, 7866, 8217, 9462, 9614, 11286, 11454, 11799, 13662, 14193, 14421, 16434, 17181, 17347, 20999, 23598, 24651, 28386, 28842, 34362, 34694, 36271, 41998, 42579, 43263, 49302, 51543, 52041, 62997, 72542, 85158, 86526, 103086, 104082, 108813, 125994, 129789, 156123, 188991, 217626, 259578, 312246, 326439, 377982, 398981, 468369, 566973, 652878, 797962, 936738, 979317, 1133946, 1196943, 1958634, 2393886, 3590829, 7181658, 10772487, 21544974]

約数ペア:

[(1, 21544974), (2, 10772487), (3, 7181658), (6, 3590829), (9, 2393886), (11, 1958634), (18, 1196943), (19, 1133946), (22, 979317), (23, 936738), (27, 797962), (33, 652878), (38, 566973), (46, 468369), (54, 398981), (57, 377982), (66, 326439), (69, 312246), (83, 259578), (99, 217626), (114, 188991), (138, 156123), (166, 129789), (171, 125994), (198, 108813), (207, 104082), (209, 103086), (249, 86526), (253, 85158), (297, 72542), (342, 62997), (414, 52041), (418, 51543), (437, 49302), (498, 43263), (506, 42579), (513, 41998), (594, 36271), (621, 34694), (627, 34362), (747, 28842), (759, 28386), (874, 24651), (913, 23598), (1026, 20999), (1242, 17347), (1254, 17181), (1311, 16434), (1494, 14421), (1518, 14193), (1577, 13662), (1826, 11799), (1881, 11454), (1909, 11286), (2241, 9614), (2277, 9462), (2622, 8217), (2739, 7866), (3154, 6831), (3762, 5727), (3818, 5643), (3933, 5478), (4482, 4807), (4554, 4731)]