21287934720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3467}}^1$

素因数の和:3548

約数の個数: 432

約数和(自身を含む): 81277795872

約数和(自身を除く): 59989861152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 41, 45, 48, 52, 60, 64, 65, 72, 78, 80, 82, 90, 96, 104, 117, 120, 123, 128, 130, 144, 156, 160, 164, 180, 192, 195, 205, 208, 234, 240, 246, 256, 260, 288, 312, 320, 328, 360, 369, 384, 390, 410, 416, 468, 480, 492, 520, 533, 576, 585, 615, 624, 640, 656, 720, 738, 768, 780, 820, 832, 936, 960, 984, 1040, 1066, 1152, 1170, 1230, 1248, 1280, 1312, 1440, 1476, 1560, 1599, 1640, 1664, 1845, 1872, 1920, 1968, 2080, 2132, 2304, 2340, 2460, 2496, 2624, 2665, 2880, 2952, 3120, 3198, 3280, 3328, 3467, 3690, 3744, 3840, 3936, 4160, 4264, 4680, 4797, 4920, 4992, 5248, 5330, 5760, 5904, 6240, 6396, 6560, 6934, 7380, 7488, 7872, 7995, 8320, 8528, 9360, 9594, 9840, 9984, 10401, 10496, 10660, 11520, 11808, 12480, 12792, 13120, 13868, 14760, 14976, 15744, 15990, 16640, 17056, 17335, 18720, 19188, 19680, 20802, 21320, 23616, 23985, 24960, 25584, 26240, 27736, 29520, 29952, 31203, 31488, 31980, 34112, 34670, 37440, 38376, 39360, 41604, 42640, 45071, 47232, 47970, 49920, 51168, 52005, 52480, 55472, 59040, 62406, 63960, 68224, 69340, 74880, 76752, 78720, 83208, 85280, 90142, 94464, 95940, 102336, 104010, 110944, 118080, 124812, 127920, 135213, 136448, 138680, 142147, 149760, 153504, 156015, 157440, 166416, 170560, 180284, 191880, 204672, 208020, 221888, 225355, 236160, 249624, 255840, 270426, 277360, 284294, 307008, 312030, 332832, 341120, 360568, 383760, 405639, 409344, 416040, 426441, 443776, 450710, 472320, 499248, 511680, 540852, 554720, 568588, 614016, 624060, 665664, 676065, 682240, 710735, 721136, 767520, 811278, 832080, 852882, 887552, 901420, 998496, 1023360, 1081704, 1109440, 1137176, 1228032, 1248120, 1279323, 1331328, 1352130, 1421470, 1442272, 1535040, 1622556, 1664160, 1705764, 1802840, 1847911, 1996992, 2028195, 2046720, 2132205, 2163408, 2218880, 2274352, 2496240, 2558646, 2662656, 2704260, 2842940, 2884544, 3070080, 3245112, 3328320, 3411528, 3605680, 3695822, 3993984, 4056390, 4264410, 4326816, 4437760, 4548704, 4992480, 5117292, 5408520, 5543733, 5685880, 5769088, 6140160, 6396615, 6490224, 6656640, 6823056, 7211360, 7391644, 7987968, 8112780, 8528820, 8653632, 9097408, 9239555, 9984960, 10234584, 10817040, 11087466, 11371760, 11538176, 12793230, 12980448, 13313280, 13646112, 14422720, 14783288, 16225560, 16631199, 17057640, 17307264, 18194816, 18479110, 19969920, 20469168, 21634080, 22174932, 22743520, 25586460, 25960896, 27292224, 27718665, 28845440, 29566576, 32451120, 33262398, 34115280, 34614528, 36389632, 36958220, 39939840, 40938336, 43268160, 44349864, 45487040, 51172920, 51921792, 54584448, 55437330, 57690880, 59133152, 64902240, 66524796, 68230560, 73916440, 81876672, 83155995, 86536320, 88699728, 90974080, 102345840, 103843584, 109168896, 110874660, 118266304, 129804480, 133049592, 136461120, 147832880, 163753344, 166311990, 173072640, 177399456, 181948160, 204691680, 221749320, 236532608, 259608960, 266099184, 272922240, 295665760, 327506688, 332623980, 354798912, 409383360, 443498640, 473065216, 519217920, 532198368, 545844480, 591331520, 665247960, 709597824, 818766720, 886997280, 1064396736, 1182663040, 1330495920, 1419195648, 1637533440, 1773994560, 2128793472, 2365326080, 2660991840, 3547989120, 4257586944, 5321983680, 7095978240, 10643967360, 21287934720]

約数ペア:

[(1, 21287934720), (2, 10643967360), (3, 7095978240), (4, 5321983680), (5, 4257586944), (6, 3547989120), (8, 2660991840), (9, 2365326080), (10, 2128793472), (12, 1773994560), (13, 1637533440), (15, 1419195648), (16, 1330495920), (18, 1182663040), (20, 1064396736), (24, 886997280), (26, 818766720), (30, 709597824), (32, 665247960), (36, 591331520), (39, 545844480), (40, 532198368), (41, 519217920), (45, 473065216), (48, 443498640), (52, 409383360), (60, 354798912), (64, 332623980), (65, 327506688), (72, 295665760), (78, 272922240), (80, 266099184), (82, 259608960), (90, 236532608), (96, 221749320), (104, 204691680), (117, 181948160), (120, 177399456), (123, 173072640), (128, 166311990), (130, 163753344), (144, 147832880), (156, 136461120), (160, 133049592), (164, 129804480), (180, 118266304), (192, 110874660), (195, 109168896), (205, 103843584), (208, 102345840), (234, 90974080), (240, 88699728), (246, 86536320), (256, 83155995), (260, 81876672), (288, 73916440), (312, 68230560), (320, 66524796), (328, 64902240), (360, 59133152), (369, 57690880), (384, 55437330), (390, 54584448), (410, 51921792), (416, 51172920), (468, 45487040), (480, 44349864), (492, 43268160), (520, 40938336), (533, 39939840), (576, 36958220), (585, 36389632), (615, 34614528), (624, 34115280), (640, 33262398), (656, 32451120), (720, 29566576), (738, 28845440), (768, 27718665), (780, 27292224), (820, 25960896), (832, 25586460), (936, 22743520), (960, 22174932), (984, 21634080), (1040, 20469168), (1066, 19969920), (1152, 18479110), (1170, 18194816), (1230, 17307264), (1248, 17057640), (1280, 16631199), (1312, 16225560), (1440, 14783288), (1476, 14422720), (1560, 13646112), (1599, 13313280), (1640, 12980448), (1664, 12793230), (1845, 11538176), (1872, 11371760), (1920, 11087466), (1968, 10817040), (2080, 10234584), (2132, 9984960), (2304, 9239555), (2340, 9097408), (2460, 8653632), (2496, 8528820), (2624, 8112780), (2665, 7987968), (2880, 7391644), (2952, 7211360), (3120, 6823056), (3198, 6656640), (3280, 6490224), (3328, 6396615), (3467, 6140160), (3690, 5769088), (3744, 5685880), (3840, 5543733), (3936, 5408520), (4160, 5117292), (4264, 4992480), (4680, 4548704), (4797, 4437760), (4920, 4326816), (4992, 4264410), (5248, 4056390), (5330, 3993984), (5760, 3695822), (5904, 3605680), (6240, 3411528), (6396, 3328320), (6560, 3245112), (6934, 3070080), (7380, 2884544), (7488, 2842940), (7872, 2704260), (7995, 2662656), (8320, 2558646), (8528, 2496240), (9360, 2274352), (9594, 2218880), (9840, 2163408), (9984, 2132205), (10401, 2046720), (10496, 2028195), (10660, 1996992), (11520, 1847911), (11808, 1802840), (12480, 1705764), (12792, 1664160), (13120, 1622556), (13868, 1535040), (14760, 1442272), (14976, 1421470), (15744, 1352130), (15990, 1331328), (16640, 1279323), (17056, 1248120), (17335, 1228032), (18720, 1137176), (19188, 1109440), (19680, 1081704), (20802, 1023360), (21320, 998496), (23616, 901420), (23985, 887552), (24960, 852882), (25584, 832080), (26240, 811278), (27736, 767520), (29520, 721136), (29952, 710735), (31203, 682240), (31488, 676065), (31980, 665664), (34112, 624060), (34670, 614016), (37440, 568588), (38376, 554720), (39360, 540852), (41604, 511680), (42640, 499248), (45071, 472320), (47232, 450710), (47970, 443776), (49920, 426441), (51168, 416040), (52005, 409344), (52480, 405639), (55472, 383760), (59040, 360568), (62406, 341120), (63960, 332832), (68224, 312030), (69340, 307008), (74880, 284294), (76752, 277360), (78720, 270426), (83208, 255840), (85280, 249624), (90142, 236160), (94464, 225355), (95940, 221888), (102336, 208020), (104010, 204672), (110944, 191880), (118080, 180284), (124812, 170560), (127920, 166416), (135213, 157440), (136448, 156015), (138680, 153504), (142147, 149760)]