21106722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 56770560

約数和(自身を除く): 35663838

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 31, 39, 42, 43, 58, 62, 78, 86, 87, 91, 93, 129, 174, 182, 186, 203, 217, 258, 273, 301, 377, 403, 406, 434, 546, 559, 602, 609, 651, 754, 806, 899, 903, 1118, 1131, 1209, 1218, 1247, 1302, 1333, 1677, 1798, 1806, 2262, 2418, 2494, 2639, 2666, 2697, 2821, 3354, 3741, 3913, 3999, 5278, 5394, 5642, 6293, 7482, 7826, 7917, 7998, 8463, 8729, 9331, 11687, 11739, 12586, 15834, 16211, 16926, 17329, 17458, 18662, 18879, 23374, 23478, 26187, 27993, 32422, 34658, 35061, 37758, 38657, 48633, 51987, 52374, 55986, 70122, 77314, 81809, 97266, 103974, 113477, 115971, 121303, 163618, 226954, 231942, 242606, 245427, 270599, 340431, 363909, 490854, 502541, 541198, 680862, 727818, 811797, 1005082, 1507623, 1623594, 3015246, 3517787, 7035574, 10553361, 21106722]

約数ペア:

[(1, 21106722), (2, 10553361), (3, 7035574), (6, 3517787), (7, 3015246), (13, 1623594), (14, 1507623), (21, 1005082), (26, 811797), (29, 727818), (31, 680862), (39, 541198), (42, 502541), (43, 490854), (58, 363909), (62, 340431), (78, 270599), (86, 245427), (87, 242606), (91, 231942), (93, 226954), (129, 163618), (174, 121303), (182, 115971), (186, 113477), (203, 103974), (217, 97266), (258, 81809), (273, 77314), (301, 70122), (377, 55986), (403, 52374), (406, 51987), (434, 48633), (546, 38657), (559, 37758), (602, 35061), (609, 34658), (651, 32422), (754, 27993), (806, 26187), (899, 23478), (903, 23374), (1118, 18879), (1131, 18662), (1209, 17458), (1218, 17329), (1247, 16926), (1302, 16211), (1333, 15834), (1677, 12586), (1798, 11739), (1806, 11687), (2262, 9331), (2418, 8729), (2494, 8463), (2639, 7998), (2666, 7917), (2697, 7826), (2821, 7482), (3354, 6293), (3741, 5642), (3913, 5394), (3999, 5278)]