2100021840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13441}}^1$

素因数の和:13498

約数の個数: 240

約数和(自身を含む): 8320705536

約数和(自身を除く): 6220683696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8680, 9765, 10416, 11160, 13020, 13441, 15624, 17360, 19530, 22320, 26040, 26882, 31248, 39060, 40323, 52080, 53764, 67205, 78120, 80646, 94087, 107528, 120969, 134410, 156240, 161292, 188174, 201615, 215056, 241938, 268820, 282261, 322584, 376348, 403230, 416671, 470435, 483876, 537640, 564522, 604845, 645168, 752696, 806460, 833342, 846783, 940870, 967752, 1075280, 1129044, 1209690, 1250013, 1411305, 1505392, 1612920, 1666684, 1693566, 1881740, 1935504, 2083355, 2258088, 2419380, 2500026, 2822610, 2916697, 3225840, 3333368, 3387132, 3750039, 3763480, 4166710, 4233915, 4516176, 4838760, 5000052, 5645220, 5833394, 6250065, 6666736, 6774264, 7500078, 7526960, 8333420, 8467830, 8750091, 9677520, 10000104, 11290440, 11666788, 12500130, 13548528, 14583485, 15000156, 16666840, 16935660, 17500182, 18750195, 20000208, 22580880, 23333576, 25000260, 26250273, 29166970, 30000312, 33333680, 33871320, 35000364, 37500390, 43750455, 46667152, 50000520, 52500546, 58333940, 60000624, 67742640, 70000728, 75000780, 87500910, 100001040, 105001092, 116667880, 131251365, 140001456, 150001560, 175001820, 210002184, 233335760, 262502730, 300003120, 350003640, 420004368, 525005460, 700007280, 1050010920, 2100021840]

約数ペア:

[(1, 2100021840), (2, 1050010920), (3, 700007280), (4, 525005460), (5, 420004368), (6, 350003640), (7, 300003120), (8, 262502730), (9, 233335760), (10, 210002184), (12, 175001820), (14, 150001560), (15, 140001456), (16, 131251365), (18, 116667880), (20, 105001092), (21, 100001040), (24, 87500910), (28, 75000780), (30, 70000728), (31, 67742640), (35, 60000624), (36, 58333940), (40, 52500546), (42, 50000520), (45, 46667152), (48, 43750455), (56, 37500390), (60, 35000364), (62, 33871320), (63, 33333680), (70, 30000312), (72, 29166970), (80, 26250273), (84, 25000260), (90, 23333576), (93, 22580880), (105, 20000208), (112, 18750195), (120, 17500182), (124, 16935660), (126, 16666840), (140, 15000156), (144, 14583485), (155, 13548528), (168, 12500130), (180, 11666788), (186, 11290440), (210, 10000104), (217, 9677520), (240, 8750091), (248, 8467830), (252, 8333420), (279, 7526960), (280, 7500078), (310, 6774264), (315, 6666736), (336, 6250065), (360, 5833394), (372, 5645220), (420, 5000052), (434, 4838760), (465, 4516176), (496, 4233915), (504, 4166710), (558, 3763480), (560, 3750039), (620, 3387132), (630, 3333368), (651, 3225840), (720, 2916697), (744, 2822610), (840, 2500026), (868, 2419380), (930, 2258088), (1008, 2083355), (1085, 1935504), (1116, 1881740), (1240, 1693566), (1260, 1666684), (1302, 1612920), (1395, 1505392), (1488, 1411305), (1680, 1250013), (1736, 1209690), (1860, 1129044), (1953, 1075280), (2170, 967752), (2232, 940870), (2480, 846783), (2520, 833342), (2604, 806460), (2790, 752696), (3255, 645168), (3472, 604845), (3720, 564522), (3906, 537640), (4340, 483876), (4464, 470435), (5040, 416671), (5208, 403230), (5580, 376348), (6510, 322584), (7440, 282261), (7812, 268820), (8680, 241938), (9765, 215056), (10416, 201615), (11160, 188174), (13020, 161292), (13441, 156240), (15624, 134410), (17360, 120969), (19530, 107528), (22320, 94087), (26040, 80646), (26882, 78120), (31248, 67205), (39060, 53764), (40323, 52080)]