21328079080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13933}}^1$

素因数の和:14040

約数の個数: 192

約数和(自身を含む): 61759946880

約数和(自身を除く): 40431867800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 71, 77, 88, 98, 110, 140, 142, 154, 196, 220, 245, 280, 284, 308, 355, 385, 392, 440, 490, 497, 539, 568, 616, 710, 770, 781, 980, 994, 1078, 1420, 1540, 1562, 1960, 1988, 2156, 2485, 2695, 2840, 3080, 3124, 3479, 3905, 3976, 4312, 4970, 5390, 5467, 6248, 6958, 7810, 9940, 10780, 10934, 13916, 13933, 15620, 17395, 19880, 21560, 21868, 27335, 27832, 27866, 31240, 34790, 38269, 43736, 54670, 55732, 69580, 69665, 76538, 97531, 109340, 111464, 139160, 139330, 153076, 153263, 191345, 195062, 218680, 278660, 306152, 306526, 382690, 390124, 487655, 557320, 613052, 682717, 765380, 766315, 780248, 975310, 989243, 1072841, 1226104, 1365434, 1530760, 1532630, 1950620, 1978486, 2145682, 2730868, 3065260, 3413585, 3901240, 3956972, 4291364, 4946215, 5364205, 5461736, 6130520, 6827170, 6924701, 7509887, 7913944, 8582728, 9892430, 10728410, 10881673, 13654340, 13849402, 15019774, 19784860, 21456820, 21763346, 27308680, 27698804, 30039548, 34623505, 37549435, 39569720, 42913640, 43526692, 48472907, 54408365, 55397608, 60079096, 69247010, 75098870, 76171711, 87053384, 96945814, 108816730, 138494020, 150197740, 152343422, 193891628, 217633460, 242364535, 276988040, 300395480, 304686844, 380858555, 387783256, 435266920, 484729070, 533201977, 609373688, 761717110, 969458140, 1066403954, 1523434220, 1938916280, 2132807908, 2666009885, 3046868440, 4265615816, 5332019770, 10664039540, 21328079080]

約数ペア:

[(1, 21328079080), (2, 10664039540), (4, 5332019770), (5, 4265615816), (7, 3046868440), (8, 2666009885), (10, 2132807908), (11, 1938916280), (14, 1523434220), (20, 1066403954), (22, 969458140), (28, 761717110), (35, 609373688), (40, 533201977), (44, 484729070), (49, 435266920), (55, 387783256), (56, 380858555), (70, 304686844), (71, 300395480), (77, 276988040), (88, 242364535), (98, 217633460), (110, 193891628), (140, 152343422), (142, 150197740), (154, 138494020), (196, 108816730), (220, 96945814), (245, 87053384), (280, 76171711), (284, 75098870), (308, 69247010), (355, 60079096), (385, 55397608), (392, 54408365), (440, 48472907), (490, 43526692), (497, 42913640), (539, 39569720), (568, 37549435), (616, 34623505), (710, 30039548), (770, 27698804), (781, 27308680), (980, 21763346), (994, 21456820), (1078, 19784860), (1420, 15019774), (1540, 13849402), (1562, 13654340), (1960, 10881673), (1988, 10728410), (2156, 9892430), (2485, 8582728), (2695, 7913944), (2840, 7509887), (3080, 6924701), (3124, 6827170), (3479, 6130520), (3905, 5461736), (3976, 5364205), (4312, 4946215), (4970, 4291364), (5390, 3956972), (5467, 3901240), (6248, 3413585), (6958, 3065260), (7810, 2730868), (9940, 2145682), (10780, 1978486), (10934, 1950620), (13916, 1532630), (13933, 1530760), (15620, 1365434), (17395, 1226104), (19880, 1072841), (21560, 989243), (21868, 975310), (27335, 780248), (27832, 766315), (27866, 765380), (31240, 682717), (34790, 613052), (38269, 557320), (43736, 487655), (54670, 390124), (55732, 382690), (69580, 306526), (69665, 306152), (76538, 278660), (97531, 218680), (109340, 195062), (111464, 191345), (139160, 153263), (139330, 153076)]