21248666040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{3251}}^1$

素因数の和:3554

約数の個数: 256

約数和(自身を含む): 75525488640

約数和(自身を除く): 54276822600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 251, 280, 310, 372, 420, 434, 465, 502, 620, 651, 744, 753, 840, 868, 930, 1004, 1085, 1240, 1255, 1302, 1506, 1736, 1757, 1860, 2008, 2170, 2510, 2604, 3012, 3251, 3255, 3514, 3720, 3765, 4340, 5020, 5208, 5271, 6024, 6502, 6510, 7028, 7530, 7781, 8680, 8785, 9753, 10040, 10542, 13004, 13020, 14056, 15060, 15562, 16255, 17570, 19506, 21084, 22757, 23343, 26008, 26040, 26355, 30120, 31124, 32510, 35140, 38905, 39012, 42168, 45514, 46686, 48765, 52710, 54467, 62248, 65020, 68271, 70280, 77810, 78024, 91028, 93372, 97530, 100781, 105420, 108934, 113785, 116715, 130040, 136542, 155620, 163401, 182056, 186744, 195060, 201562, 210840, 217868, 227570, 233430, 272335, 273084, 302343, 311240, 326802, 341355, 390120, 403124, 435736, 455140, 466860, 503905, 544670, 546168, 604686, 653604, 682710, 705467, 806248, 816001, 817005, 910280, 933720, 1007810, 1089340, 1209372, 1307208, 1365420, 1410934, 1511715, 1632002, 1634010, 2015620, 2116401, 2178680, 2418744, 2448003, 2730840, 2821868, 3023430, 3264004, 3268020, 3527335, 4031240, 4080005, 4232802, 4896006, 5643736, 5712007, 6046860, 6528008, 6536040, 7054670, 8160010, 8465604, 9792012, 10582005, 11424014, 12093720, 12240015, 14109340, 16320020, 16931208, 17136021, 19584024, 21164010, 22848028, 24480030, 25296031, 28218680, 28560035, 32640040, 34272042, 42328020, 45696056, 48960060, 50592062, 57120070, 68544084, 75888093, 84656040, 85680105, 97920120, 101184124, 114240140, 126480155, 137088168, 151776186, 171360210, 177072217, 202368248, 228480280, 252960310, 303552372, 342720420, 354144434, 379440465, 505920620, 531216651, 607104744, 685440840, 708288868, 758880930, 885361085, 1011841240, 1062433302, 1416577736, 1517761860, 1770722170, 2124866604, 2656083255, 3035523720, 3541444340, 4249733208, 5312166510, 7082888680, 10624333020, 21248666040]

約数ペア:

[(1, 21248666040), (2, 10624333020), (3, 7082888680), (4, 5312166510), (5, 4249733208), (6, 3541444340), (7, 3035523720), (8, 2656083255), (10, 2124866604), (12, 1770722170), (14, 1517761860), (15, 1416577736), (20, 1062433302), (21, 1011841240), (24, 885361085), (28, 758880930), (30, 708288868), (31, 685440840), (35, 607104744), (40, 531216651), (42, 505920620), (56, 379440465), (60, 354144434), (62, 342720420), (70, 303552372), (84, 252960310), (93, 228480280), (105, 202368248), (120, 177072217), (124, 171360210), (140, 151776186), (155, 137088168), (168, 126480155), (186, 114240140), (210, 101184124), (217, 97920120), (248, 85680105), (251, 84656040), (280, 75888093), (310, 68544084), (372, 57120070), (420, 50592062), (434, 48960060), (465, 45696056), (502, 42328020), (620, 34272042), (651, 32640040), (744, 28560035), (753, 28218680), (840, 25296031), (868, 24480030), (930, 22848028), (1004, 21164010), (1085, 19584024), (1240, 17136021), (1255, 16931208), (1302, 16320020), (1506, 14109340), (1736, 12240015), (1757, 12093720), (1860, 11424014), (2008, 10582005), (2170, 9792012), (2510, 8465604), (2604, 8160010), (3012, 7054670), (3251, 6536040), (3255, 6528008), (3514, 6046860), (3720, 5712007), (3765, 5643736), (4340, 4896006), (5020, 4232802), (5208, 4080005), (5271, 4031240), (6024, 3527335), (6502, 3268020), (6510, 3264004), (7028, 3023430), (7530, 2821868), (7781, 2730840), (8680, 2448003), (8785, 2418744), (9753, 2178680), (10040, 2116401), (10542, 2015620), (13004, 1634010), (13020, 1632002), (14056, 1511715), (15060, 1410934), (15562, 1365420), (16255, 1307208), (17570, 1209372), (19506, 1089340), (21084, 1007810), (22757, 933720), (23343, 910280), (26008, 817005), (26040, 816001), (26355, 806248), (30120, 705467), (31124, 682710), (32510, 653604), (35140, 604686), (38905, 546168), (39012, 544670), (42168, 503905), (45514, 466860), (46686, 455140), (48765, 435736), (52710, 403124), (54467, 390120), (62248, 341355), (65020, 326802), (68271, 311240), (70280, 302343), (77810, 273084), (78024, 272335), (91028, 233430), (93372, 227570), (97530, 217868), (100781, 210840), (105420, 201562), (108934, 195060), (113785, 186744), (116715, 182056), (130040, 163401), (136542, 155620)]