21407526

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 35201754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 83, 89, 126, 138, 161, 166, 178, 207, 249, 267, 322, 414, 483, 498, 534, 581, 623, 747, 801, 966, 1162, 1246, 1449, 1494, 1602, 1743, 1869, 1909, 2047, 2898, 3486, 3738, 3818, 4094, 5229, 5607, 5727, 6141, 7387, 10458, 11214, 11454, 12282, 13363, 14329, 14774, 17181, 18423, 22161, 26726, 28658, 34362, 36846, 40089, 42987, 44322, 51709, 66483, 80178, 85974, 103418, 120267, 128961, 132966, 155127, 169901, 240534, 257922, 310254, 339802, 465381, 509703, 930762, 1019406, 1189307, 1529109, 2378614, 3058218, 3567921, 7135842, 10703763, 21407526]

約数ペア:

[(1, 21407526), (2, 10703763), (3, 7135842), (6, 3567921), (7, 3058218), (9, 2378614), (14, 1529109), (18, 1189307), (21, 1019406), (23, 930762), (42, 509703), (46, 465381), (63, 339802), (69, 310254), (83, 257922), (89, 240534), (126, 169901), (138, 155127), (161, 132966), (166, 128961), (178, 120267), (207, 103418), (249, 85974), (267, 80178), (322, 66483), (414, 51709), (483, 44322), (498, 42987), (534, 40089), (581, 36846), (623, 34362), (747, 28658), (801, 26726), (966, 22161), (1162, 18423), (1246, 17181), (1449, 14774), (1494, 14329), (1602, 13363), (1743, 12282), (1869, 11454), (1909, 11214), (2047, 10458), (2898, 7387), (3486, 6141), (3738, 5727), (3818, 5607), (4094, 5229)]