21280447944

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1901}}^1$

素因数の和:2113

約数の個数: 288

約数和(自身を含む): 71032852800

約数和(自身を除く): 49752404856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 49, 56, 57, 63, 72, 76, 84, 98, 114, 126, 133, 147, 152, 167, 168, 171, 196, 228, 252, 266, 294, 334, 342, 392, 399, 441, 456, 501, 504, 532, 588, 668, 684, 798, 882, 931, 1002, 1064, 1169, 1176, 1197, 1336, 1368, 1503, 1596, 1764, 1862, 1901, 2004, 2338, 2394, 2793, 3006, 3173, 3192, 3507, 3528, 3724, 3802, 4008, 4676, 4788, 5586, 5703, 6012, 6346, 7014, 7448, 7604, 8183, 8379, 9352, 9519, 9576, 10521, 11172, 11406, 12024, 12692, 13307, 14028, 15208, 16366, 16758, 17109, 19038, 21042, 22211, 22344, 22812, 24549, 25384, 26614, 28056, 28557, 32732, 33516, 34218, 36119, 38076, 39921, 42084, 44422, 45624, 49098, 53228, 57114, 65464, 66633, 67032, 68436, 72238, 73647, 76152, 79842, 84168, 88844, 93149, 98196, 106456, 108357, 114228, 119763, 133266, 136872, 144476, 147294, 155477, 159684, 177688, 186298, 196392, 199899, 216714, 228456, 239526, 252833, 266532, 279447, 288952, 294588, 310954, 317467, 319368, 325071, 372596, 399798, 433428, 466431, 479052, 505666, 533064, 558894, 589176, 621908, 634934, 650142, 745192, 758499, 799596, 838341, 866856, 932862, 952401, 958104, 1011332, 1117788, 1243816, 1269868, 1300284, 1399293, 1516998, 1599192, 1676682, 1769831, 1865724, 1904802, 2022664, 2222269, 2235576, 2275497, 2539736, 2600568, 2798586, 2857203, 3033996, 3353364, 3539662, 3731448, 3809604, 4444538, 4550994, 5309493, 5597172, 5714406, 6031873, 6067992, 6666807, 6706728, 7079324, 7619208, 8889076, 9101988, 10618986, 11194344, 11428812, 12063746, 13333614, 14158648, 15555883, 15928479, 17778152, 18095619, 18203976, 20000421, 21237972, 22857624, 24127492, 26667228, 31111766, 31856958, 36191238, 40000842, 42223111, 42475944, 46667649, 48254984, 53334456, 54286857, 62223532, 63713916, 72382476, 80001684, 84446222, 93335298, 108573714, 124447064, 126669333, 127427832, 140002947, 144764952, 160003368, 168892444, 186670596, 217147428, 253338666, 280005894, 295561777, 337784888, 373341192, 380007999, 434294856, 506677332, 560011788, 591123554, 760015998, 886685331, 1013354664, 1120023576, 1182247108, 1520031996, 1773370662, 2364494216, 2660055993, 3040063992, 3546741324, 5320111986, 7093482648, 10640223972, 21280447944]

約数ペア:

[(1, 21280447944), (2, 10640223972), (3, 7093482648), (4, 5320111986), (6, 3546741324), (7, 3040063992), (8, 2660055993), (9, 2364494216), (12, 1773370662), (14, 1520031996), (18, 1182247108), (19, 1120023576), (21, 1013354664), (24, 886685331), (28, 760015998), (36, 591123554), (38, 560011788), (42, 506677332), (49, 434294856), (56, 380007999), (57, 373341192), (63, 337784888), (72, 295561777), (76, 280005894), (84, 253338666), (98, 217147428), (114, 186670596), (126, 168892444), (133, 160003368), (147, 144764952), (152, 140002947), (167, 127427832), (168, 126669333), (171, 124447064), (196, 108573714), (228, 93335298), (252, 84446222), (266, 80001684), (294, 72382476), (334, 63713916), (342, 62223532), (392, 54286857), (399, 53334456), (441, 48254984), (456, 46667649), (501, 42475944), (504, 42223111), (532, 40000842), (588, 36191238), (668, 31856958), (684, 31111766), (798, 26667228), (882, 24127492), (931, 22857624), (1002, 21237972), (1064, 20000421), (1169, 18203976), (1176, 18095619), (1197, 17778152), (1336, 15928479), (1368, 15555883), (1503, 14158648), (1596, 13333614), (1764, 12063746), (1862, 11428812), (1901, 11194344), (2004, 10618986), (2338, 9101988), (2394, 8889076), (2793, 7619208), (3006, 7079324), (3173, 6706728), (3192, 6666807), (3507, 6067992), (3528, 6031873), (3724, 5714406), (3802, 5597172), (4008, 5309493), (4676, 4550994), (4788, 4444538), (5586, 3809604), (5703, 3731448), (6012, 3539662), (6346, 3353364), (7014, 3033996), (7448, 2857203), (7604, 2798586), (8183, 2600568), (8379, 2539736), (9352, 2275497), (9519, 2235576), (9576, 2222269), (10521, 2022664), (11172, 1904802), (11406, 1865724), (12024, 1769831), (12692, 1676682), (13307, 1599192), (14028, 1516998), (15208, 1399293), (16366, 1300284), (16758, 1269868), (17109, 1243816), (19038, 1117788), (21042, 1011332), (22211, 958104), (22344, 952401), (22812, 932862), (24549, 866856), (25384, 838341), (26614, 799596), (28056, 758499), (28557, 745192), (32732, 650142), (33516, 634934), (34218, 621908), (36119, 589176), (38076, 558894), (39921, 533064), (42084, 505666), (44422, 479052), (45624, 466431), (49098, 433428), (53228, 399798), (57114, 372596), (65464, 325071), (66633, 319368), (67032, 317467), (68436, 310954), (72238, 294588), (73647, 288952), (76152, 279447), (79842, 266532), (84168, 252833), (88844, 239526), (93149, 228456), (98196, 216714), (106456, 199899), (108357, 196392), (114228, 186298), (119763, 177688), (133266, 159684), (136872, 155477), (144476, 147294)]