21000869120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5197}}^1$

素因数の和:5277

約数の個数: 288

約数和(自身を含む): 64258258176

約数和(自身を除く): 43257389056

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 41, 44, 55, 56, 64, 70, 77, 80, 82, 88, 110, 112, 128, 140, 154, 160, 164, 176, 205, 220, 224, 256, 280, 287, 308, 320, 328, 352, 385, 410, 440, 448, 451, 560, 574, 616, 640, 656, 704, 770, 820, 880, 896, 902, 1120, 1148, 1232, 1280, 1312, 1408, 1435, 1540, 1640, 1760, 1792, 1804, 2240, 2255, 2296, 2464, 2624, 2816, 2870, 3080, 3157, 3280, 3520, 3608, 4480, 4510, 4592, 4928, 5197, 5248, 5740, 6160, 6314, 6560, 7040, 7216, 8960, 9020, 9184, 9856, 10394, 10496, 11480, 12320, 12628, 13120, 14080, 14432, 15785, 18040, 18368, 19712, 20788, 22960, 24640, 25256, 25985, 26240, 28864, 31570, 36080, 36379, 36736, 41576, 45920, 49280, 50512, 51970, 52480, 57167, 57728, 63140, 72160, 72758, 73472, 83152, 91840, 98560, 101024, 103940, 114334, 115456, 126280, 144320, 145516, 166304, 181895, 183680, 202048, 207880, 213077, 228668, 252560, 285835, 288640, 291032, 332608, 363790, 367360, 400169, 404096, 415760, 426154, 457336, 505120, 571670, 577280, 582064, 665216, 727580, 800338, 808192, 831520, 852308, 914672, 1010240, 1065385, 1143340, 1164128, 1330432, 1455160, 1491539, 1600676, 1663040, 1704616, 1829344, 2000845, 2020480, 2130770, 2286680, 2328256, 2343847, 2910320, 2983078, 3201352, 3326080, 3409232, 3658688, 4001690, 4040960, 4261540, 4573360, 4656512, 4687694, 5820640, 5966156, 6402704, 6652160, 6818464, 7317376, 7457695, 8003380, 8523080, 9146720, 9313024, 9375388, 11641280, 11719235, 11932312, 12805408, 13636928, 14634752, 14915390, 16006760, 16406929, 17046160, 18293440, 18750776, 23282560, 23438470, 23864624, 25610816, 27273856, 29830780, 32013520, 32813858, 34092320, 36586880, 37501552, 46565120, 46876940, 47729248, 51221632, 54547712, 59661560, 64027040, 65627716, 68184640, 73173760, 75003104, 82034645, 93753880, 95458496, 102443264, 119323120, 128054080, 131255432, 136369280, 150006208, 164069290, 187507760, 190916992, 238646240, 256108160, 262510864, 272738560, 300012416, 328138580, 375015520, 381833984, 477292480, 512216320, 525021728, 600024832, 656277160, 750031040, 954584960, 1050043456, 1312554320, 1500062080, 1909169920, 2100086912, 2625108640, 3000124160, 4200173824, 5250217280, 10500434560, 21000869120]

約数ペア:

[(1, 21000869120), (2, 10500434560), (4, 5250217280), (5, 4200173824), (7, 3000124160), (8, 2625108640), (10, 2100086912), (11, 1909169920), (14, 1500062080), (16, 1312554320), (20, 1050043456), (22, 954584960), (28, 750031040), (32, 656277160), (35, 600024832), (40, 525021728), (41, 512216320), (44, 477292480), (55, 381833984), (56, 375015520), (64, 328138580), (70, 300012416), (77, 272738560), (80, 262510864), (82, 256108160), (88, 238646240), (110, 190916992), (112, 187507760), (128, 164069290), (140, 150006208), (154, 136369280), (160, 131255432), (164, 128054080), (176, 119323120), (205, 102443264), (220, 95458496), (224, 93753880), (256, 82034645), (280, 75003104), (287, 73173760), (308, 68184640), (320, 65627716), (328, 64027040), (352, 59661560), (385, 54547712), (410, 51221632), (440, 47729248), (448, 46876940), (451, 46565120), (560, 37501552), (574, 36586880), (616, 34092320), (640, 32813858), (656, 32013520), (704, 29830780), (770, 27273856), (820, 25610816), (880, 23864624), (896, 23438470), (902, 23282560), (1120, 18750776), (1148, 18293440), (1232, 17046160), (1280, 16406929), (1312, 16006760), (1408, 14915390), (1435, 14634752), (1540, 13636928), (1640, 12805408), (1760, 11932312), (1792, 11719235), (1804, 11641280), (2240, 9375388), (2255, 9313024), (2296, 9146720), (2464, 8523080), (2624, 8003380), (2816, 7457695), (2870, 7317376), (3080, 6818464), (3157, 6652160), (3280, 6402704), (3520, 5966156), (3608, 5820640), (4480, 4687694), (4510, 4656512), (4592, 4573360), (4928, 4261540), (5197, 4040960), (5248, 4001690), (5740, 3658688), (6160, 3409232), (6314, 3326080), (6560, 3201352), (7040, 2983078), (7216, 2910320), (8960, 2343847), (9020, 2328256), (9184, 2286680), (9856, 2130770), (10394, 2020480), (10496, 2000845), (11480, 1829344), (12320, 1704616), (12628, 1663040), (13120, 1600676), (14080, 1491539), (14432, 1455160), (15785, 1330432), (18040, 1164128), (18368, 1143340), (19712, 1065385), (20788, 1010240), (22960, 914672), (24640, 852308), (25256, 831520), (25985, 808192), (26240, 800338), (28864, 727580), (31570, 665216), (36080, 582064), (36379, 577280), (36736, 571670), (41576, 505120), (45920, 457336), (49280, 426154), (50512, 415760), (51970, 404096), (52480, 400169), (57167, 367360), (57728, 363790), (63140, 332608), (72160, 291032), (72758, 288640), (73472, 285835), (83152, 252560), (91840, 228668), (98560, 213077), (101024, 207880), (103940, 202048), (114334, 183680), (115456, 181895), (126280, 166304), (144320, 145516)]