21478498002

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{275641}}^1$

素因数の和:275705

約数の個数: 80

約数和(自身を含む): 53230880472

約数和(自身を除く): 31752382470

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 81, 111, 117, 162, 222, 234, 333, 351, 481, 666, 702, 962, 999, 1053, 1443, 1998, 2106, 2886, 2997, 4329, 5994, 8658, 12987, 25974, 38961, 77922, 275641, 551282, 826923, 1653846, 2480769, 3583333, 4961538, 7166666, 7442307, 10198717, 10749999, 14884614, 20397434, 21499998, 22326921, 30596151, 32249997, 44653842, 61192302, 64499994, 91788453, 96749991, 132583321, 183576906, 193499982, 265166642, 275365359, 290249973, 397749963, 550730718, 580499946, 795499926, 826096077, 1193249889, 1652192154, 2386499778, 3579749667, 7159499334, 10739249001, 21478498002]

約数ペア:

[(1, 21478498002), (2, 10739249001), (3, 7159499334), (6, 3579749667), (9, 2386499778), (13, 1652192154), (18, 1193249889), (26, 826096077), (27, 795499926), (37, 580499946), (39, 550730718), (54, 397749963), (74, 290249973), (78, 275365359), (81, 265166642), (111, 193499982), (117, 183576906), (162, 132583321), (222, 96749991), (234, 91788453), (333, 64499994), (351, 61192302), (481, 44653842), (666, 32249997), (702, 30596151), (962, 22326921), (999, 21499998), (1053, 20397434), (1443, 14884614), (1998, 10749999), (2106, 10198717), (2886, 7442307), (2997, 7166666), (4329, 4961538), (5994, 3583333), (8658, 2480769), (12987, 1653846), (25974, 826923), (38961, 551282), (77922, 275641)]