21083729920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3090

約数の個数: 208

約数和(自身を含む): 56993633280

約数和(自身を除く): 35909903360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 880, 992, 1024, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2048, 2480, 2560, 2728, 2816, 3019, 3410, 3520, 3968, 4096, 4960, 5120, 5456, 5632, 6038, 6820, 7040, 7936, 9920, 10240, 10912, 11264, 12076, 13640, 14080, 15095, 15872, 19840, 20480, 21824, 22528, 24152, 27280, 28160, 30190, 31744, 33209, 39680, 43648, 45056, 48304, 54560, 56320, 60380, 63488, 66418, 79360, 87296, 93589, 96608, 109120, 112640, 120760, 126976, 132836, 158720, 166045, 174592, 187178, 193216, 218240, 225280, 241520, 265672, 317440, 332090, 349184, 374356, 386432, 436480, 467945, 483040, 531344, 634880, 664180, 698368, 748712, 772864, 872960, 935890, 966080, 1029479, 1062688, 1328360, 1396736, 1497424, 1545728, 1745920, 1871780, 1932160, 2058958, 2125376, 2656720, 2994848, 3091456, 3491840, 3743560, 3864320, 4117916, 4250752, 5147395, 5313440, 5989696, 6182912, 6983680, 7487120, 7728640, 8235832, 8501504, 10294790, 10626880, 11979392, 12365824, 14974240, 15457280, 16471664, 17003008, 20589580, 21253760, 23958784, 29948480, 30914560, 32943328, 34006016, 41179160, 42507520, 47917568, 59896960, 61829120, 65886656, 68012032, 82358320, 85015040, 95835136, 119793920, 131773312, 136024064, 164716640, 170030080, 191670272, 239587840, 263546624, 329433280, 340060160, 383340544, 479175680, 527093248, 658866560, 680120320, 958351360, 1054186496, 1317733120, 1916702720, 2108372992, 2635466240, 4216745984, 5270932480, 10541864960, 21083729920]

約数ペア:

[(1, 21083729920), (2, 10541864960), (4, 5270932480), (5, 4216745984), (8, 2635466240), (10, 2108372992), (11, 1916702720), (16, 1317733120), (20, 1054186496), (22, 958351360), (31, 680120320), (32, 658866560), (40, 527093248), (44, 479175680), (55, 383340544), (62, 340060160), (64, 329433280), (80, 263546624), (88, 239587840), (110, 191670272), (124, 170030080), (128, 164716640), (155, 136024064), (160, 131773312), (176, 119793920), (220, 95835136), (248, 85015040), (256, 82358320), (310, 68012032), (320, 65886656), (341, 61829120), (352, 59896960), (440, 47917568), (496, 42507520), (512, 41179160), (620, 34006016), (640, 32943328), (682, 30914560), (704, 29948480), (880, 23958784), (992, 21253760), (1024, 20589580), (1240, 17003008), (1280, 16471664), (1364, 15457280), (1408, 14974240), (1705, 12365824), (1760, 11979392), (1984, 10626880), (2048, 10294790), (2480, 8501504), (2560, 8235832), (2728, 7728640), (2816, 7487120), (3019, 6983680), (3410, 6182912), (3520, 5989696), (3968, 5313440), (4096, 5147395), (4960, 4250752), (5120, 4117916), (5456, 3864320), (5632, 3743560), (6038, 3491840), (6820, 3091456), (7040, 2994848), (7936, 2656720), (9920, 2125376), (10240, 2058958), (10912, 1932160), (11264, 1871780), (12076, 1745920), (13640, 1545728), (14080, 1497424), (15095, 1396736), (15872, 1328360), (19840, 1062688), (20480, 1029479), (21824, 966080), (22528, 935890), (24152, 872960), (27280, 772864), (28160, 748712), (30190, 698368), (31744, 664180), (33209, 634880), (39680, 531344), (43648, 483040), (45056, 467945), (48304, 436480), (54560, 386432), (56320, 374356), (60380, 349184), (63488, 332090), (66418, 317440), (79360, 265672), (87296, 241520), (93589, 225280), (96608, 218240), (109120, 193216), (112640, 187178), (120760, 174592), (126976, 166045), (132836, 158720)]