21107457504

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{857}}^1$

素因数の和:1542

約数の個数: 288

約数和(自身を含む): 72406414080

約数和(自身を除く): 51298956576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 224, 228, 252, 266, 288, 304, 336, 342, 399, 456, 504, 532, 608, 643, 672, 684, 798, 857, 912, 1008, 1064, 1197, 1286, 1368, 1596, 1714, 1824, 1929, 2016, 2128, 2394, 2571, 2572, 2736, 3192, 3428, 3858, 4256, 4501, 4788, 5142, 5144, 5472, 5787, 5999, 6384, 6856, 7713, 7716, 9002, 9576, 10284, 10288, 11574, 11998, 12217, 12768, 13503, 13712, 15426, 15432, 16283, 17997, 18004, 19152, 20568, 20576, 23148, 23996, 24434, 27006, 27424, 30852, 30864, 32566, 35994, 36008, 36651, 38304, 40509, 41136, 46296, 47992, 48849, 48868, 53991, 54012, 61704, 61728, 65132, 71988, 72016, 73302, 81018, 82272, 85519, 92592, 95984, 97698, 97736, 107982, 108024, 109953, 113981, 123408, 130264, 143976, 144032, 146547, 146604, 162036, 171038, 185184, 191968, 195396, 195472, 215964, 216048, 219906, 227962, 246816, 256557, 260528, 287952, 293094, 293208, 324072, 341943, 342076, 390792, 390944, 431928, 432096, 439812, 455924, 513114, 521056, 551051, 575904, 586188, 586416, 648144, 683886, 684152, 769671, 781584, 863856, 879624, 911848, 1025829, 1026228, 1102102, 1172376, 1172832, 1296288, 1367772, 1368304, 1539342, 1563168, 1653153, 1727712, 1759248, 1823696, 2051658, 2052456, 2204204, 2344752, 2735544, 2736608, 3078684, 3306306, 3518496, 3647392, 3857357, 4103316, 4104912, 4408408, 4689504, 4959459, 5471088, 6157368, 6612612, 7714714, 8206632, 8209824, 8816816, 9918918, 10469969, 10942176, 11572071, 12314736, 13225224, 15429428, 16413264, 17633632, 19837836, 20939938, 23144142, 24629472, 26450448, 30858856, 31409907, 32826528, 34716213, 39675672, 41879876, 46288284, 52900896, 61717712, 62819814, 69432426, 73289783, 79351344, 83759752, 92576568, 94229721, 123435424, 125639628, 138864852, 146579566, 158702688, 167519504, 185153136, 188459442, 219869349, 251279256, 277729704, 293159132, 335039008, 370306272, 376918884, 439738698, 502558512, 555459408, 586318264, 659608047, 753837768, 879477396, 1005117024, 1110918816, 1172636528, 1319216094, 1507675536, 1758954792, 2345273056, 2638432188, 3015351072, 3517909584, 5276864376, 7035819168, 10553728752, 21107457504]

約数ペア:

[(1, 21107457504), (2, 10553728752), (3, 7035819168), (4, 5276864376), (6, 3517909584), (7, 3015351072), (8, 2638432188), (9, 2345273056), (12, 1758954792), (14, 1507675536), (16, 1319216094), (18, 1172636528), (19, 1110918816), (21, 1005117024), (24, 879477396), (28, 753837768), (32, 659608047), (36, 586318264), (38, 555459408), (42, 502558512), (48, 439738698), (56, 376918884), (57, 370306272), (63, 335039008), (72, 293159132), (76, 277729704), (84, 251279256), (96, 219869349), (112, 188459442), (114, 185153136), (126, 167519504), (133, 158702688), (144, 146579566), (152, 138864852), (168, 125639628), (171, 123435424), (224, 94229721), (228, 92576568), (252, 83759752), (266, 79351344), (288, 73289783), (304, 69432426), (336, 62819814), (342, 61717712), (399, 52900896), (456, 46288284), (504, 41879876), (532, 39675672), (608, 34716213), (643, 32826528), (672, 31409907), (684, 30858856), (798, 26450448), (857, 24629472), (912, 23144142), (1008, 20939938), (1064, 19837836), (1197, 17633632), (1286, 16413264), (1368, 15429428), (1596, 13225224), (1714, 12314736), (1824, 11572071), (1929, 10942176), (2016, 10469969), (2128, 9918918), (2394, 8816816), (2571, 8209824), (2572, 8206632), (2736, 7714714), (3192, 6612612), (3428, 6157368), (3858, 5471088), (4256, 4959459), (4501, 4689504), (4788, 4408408), (5142, 4104912), (5144, 4103316), (5472, 3857357), (5787, 3647392), (5999, 3518496), (6384, 3306306), (6856, 3078684), (7713, 2736608), (7716, 2735544), (9002, 2344752), (9576, 2204204), (10284, 2052456), (10288, 2051658), (11574, 1823696), (11998, 1759248), (12217, 1727712), (12768, 1653153), (13503, 1563168), (13712, 1539342), (15426, 1368304), (15432, 1367772), (16283, 1296288), (17997, 1172832), (18004, 1172376), (19152, 1102102), (20568, 1026228), (20576, 1025829), (23148, 911848), (23996, 879624), (24434, 863856), (27006, 781584), (27424, 769671), (30852, 684152), (30864, 683886), (32566, 648144), (35994, 586416), (36008, 586188), (36651, 575904), (38304, 551051), (40509, 521056), (41136, 513114), (46296, 455924), (47992, 439812), (48849, 432096), (48868, 431928), (53991, 390944), (54012, 390792), (61704, 342076), (61728, 341943), (65132, 324072), (71988, 293208), (72016, 293094), (73302, 287952), (81018, 260528), (82272, 256557), (85519, 246816), (92592, 227962), (95984, 219906), (97698, 216048), (97736, 215964), (107982, 195472), (108024, 195396), (109953, 191968), (113981, 185184), (123408, 171038), (130264, 162036), (143976, 146604), (144032, 146547)]