21498224720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:391

約数の個数: 320

約数和(自身を含む): 60948480000

約数和(自身を除く): 39450255280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 127, 140, 155, 196, 199, 217, 245, 248, 254, 280, 310, 343, 392, 398, 434, 490, 496, 508, 560, 620, 635, 686, 784, 796, 868, 889, 980, 995, 1016, 1085, 1240, 1270, 1372, 1393, 1519, 1592, 1715, 1736, 1778, 1960, 1990, 2032, 2170, 2480, 2540, 2744, 2786, 3038, 3184, 3430, 3472, 3556, 3920, 3937, 3980, 4340, 4445, 5080, 5488, 5572, 6076, 6169, 6223, 6860, 6965, 7112, 7595, 7874, 7960, 8680, 8890, 9751, 10160, 10633, 11144, 12152, 12338, 12446, 13720, 13930, 14224, 15190, 15748, 15920, 17360, 17780, 19502, 19685, 21266, 22288, 24304, 24676, 24892, 25273, 27440, 27559, 27860, 30380, 30845, 31115, 31496, 35560, 39004, 39370, 42532, 43183, 43561, 48755, 49352, 49784, 50546, 53165, 55118, 55720, 60760, 61690, 62230, 62992, 68257, 71120, 78008, 78740, 85064, 86366, 87122, 97510, 98704, 99568, 101092, 106330, 110236, 111440, 121520, 123380, 124460, 126365, 136514, 137795, 156016, 157480, 170128, 172732, 174244, 176911, 192913, 195020, 202184, 212660, 215915, 217805, 220472, 246760, 248920, 252730, 273028, 275590, 302281, 314960, 341285, 345464, 348488, 353822, 385826, 390040, 404368, 425320, 431830, 435610, 440944, 493520, 497840, 505460, 546056, 551180, 604562, 682570, 690928, 696976, 707644, 771652, 780080, 783463, 850640, 863660, 871220, 884555, 964565, 1010920, 1092112, 1102360, 1209124, 1238377, 1350391, 1365140, 1415288, 1511405, 1543304, 1566926, 1727320, 1742440, 1769110, 1929130, 2021840, 2115967, 2204720, 2418248, 2476754, 2700782, 2730280, 2830576, 3022810, 3086608, 3133852, 3454640, 3484880, 3538220, 3858260, 3917315, 4231934, 4836496, 4953508, 5401564, 5460560, 5484241, 6045620, 6191885, 6267704, 6751955, 7076440, 7716520, 7834630, 8463868, 8668639, 9907016, 10579835, 10803128, 10968482, 12091240, 12383770, 12535408, 13503910, 14152880, 15433040, 15669260, 16927736, 17337278, 19814032, 21159670, 21606256, 21936964, 24182480, 24767540, 27007820, 27421205, 31338520, 33855472, 34674556, 38389687, 42319340, 43343195, 43873928, 49535080, 54015640, 54842410, 62677040, 69349112, 76779374, 84638680, 86686390, 87747856, 99070160, 108031280, 109684820, 138698224, 153558748, 169277360, 173372780, 191948435, 219369640, 268727809, 307117496, 346745560, 383896870, 438739280, 537455618, 614234992, 693491120, 767793740, 1074911236, 1343639045, 1535587480, 2149822472, 2687278090, 3071174960, 4299644944, 5374556180, 10749112360, 21498224720]

約数ペア:

[(1, 21498224720), (2, 10749112360), (4, 5374556180), (5, 4299644944), (7, 3071174960), (8, 2687278090), (10, 2149822472), (14, 1535587480), (16, 1343639045), (20, 1074911236), (28, 767793740), (31, 693491120), (35, 614234992), (40, 537455618), (49, 438739280), (56, 383896870), (62, 346745560), (70, 307117496), (80, 268727809), (98, 219369640), (112, 191948435), (124, 173372780), (127, 169277360), (140, 153558748), (155, 138698224), (196, 109684820), (199, 108031280), (217, 99070160), (245, 87747856), (248, 86686390), (254, 84638680), (280, 76779374), (310, 69349112), (343, 62677040), (392, 54842410), (398, 54015640), (434, 49535080), (490, 43873928), (496, 43343195), (508, 42319340), (560, 38389687), (620, 34674556), (635, 33855472), (686, 31338520), (784, 27421205), (796, 27007820), (868, 24767540), (889, 24182480), (980, 21936964), (995, 21606256), (1016, 21159670), (1085, 19814032), (1240, 17337278), (1270, 16927736), (1372, 15669260), (1393, 15433040), (1519, 14152880), (1592, 13503910), (1715, 12535408), (1736, 12383770), (1778, 12091240), (1960, 10968482), (1990, 10803128), (2032, 10579835), (2170, 9907016), (2480, 8668639), (2540, 8463868), (2744, 7834630), (2786, 7716520), (3038, 7076440), (3184, 6751955), (3430, 6267704), (3472, 6191885), (3556, 6045620), (3920, 5484241), (3937, 5460560), (3980, 5401564), (4340, 4953508), (4445, 4836496), (5080, 4231934), (5488, 3917315), (5572, 3858260), (6076, 3538220), (6169, 3484880), (6223, 3454640), (6860, 3133852), (6965, 3086608), (7112, 3022810), (7595, 2830576), (7874, 2730280), (7960, 2700782), (8680, 2476754), (8890, 2418248), (9751, 2204720), (10160, 2115967), (10633, 2021840), (11144, 1929130), (12152, 1769110), (12338, 1742440), (12446, 1727320), (13720, 1566926), (13930, 1543304), (14224, 1511405), (15190, 1415288), (15748, 1365140), (15920, 1350391), (17360, 1238377), (17780, 1209124), (19502, 1102360), (19685, 1092112), (21266, 1010920), (22288, 964565), (24304, 884555), (24676, 871220), (24892, 863660), (25273, 850640), (27440, 783463), (27559, 780080), (27860, 771652), (30380, 707644), (30845, 696976), (31115, 690928), (31496, 682570), (35560, 604562), (39004, 551180), (39370, 546056), (42532, 505460), (43183, 497840), (43561, 493520), (48755, 440944), (49352, 435610), (49784, 431830), (50546, 425320), (53165, 404368), (55118, 390040), (55720, 385826), (60760, 353822), (61690, 348488), (62230, 345464), (62992, 341285), (68257, 314960), (71120, 302281), (78008, 275590), (78740, 273028), (85064, 252730), (86366, 248920), (87122, 246760), (97510, 220472), (98704, 217805), (99568, 215915), (101092, 212660), (106330, 202184), (110236, 195020), (111440, 192913), (121520, 176911), (123380, 174244), (124460, 172732), (126365, 170128), (136514, 157480), (137795, 156016)]