21012999840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109717}}^1$

素因数の和:109764

約数の個数: 288

約数和(自身を含む): 86264680320

約数和(自身を除く): 65251680480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1120, 1140, 1197, 1260, 1330, 1368, 1440, 1520, 1596, 1680, 1710, 1824, 1995, 2016, 2128, 2280, 2394, 2520, 2660, 2736, 3040, 3192, 3360, 3420, 3990, 4256, 4560, 4788, 5040, 5320, 5472, 5985, 6384, 6840, 7980, 9120, 9576, 10080, 10640, 11970, 12768, 13680, 15960, 19152, 21280, 23940, 27360, 31920, 38304, 47880, 63840, 95760, 109717, 191520, 219434, 329151, 438868, 548585, 658302, 768019, 877736, 987453, 1097170, 1316604, 1536038, 1645755, 1755472, 1974906, 2084623, 2194340, 2304057, 2633208, 3072076, 3291510, 3510944, 3840095, 3949812, 4169246, 4388680, 4608114, 4937265, 5266416, 6144152, 6253869, 6583020, 6912171, 7680190, 7899624, 8338492, 8777360, 9216228, 9874530, 10423115, 10532832, 11520285, 12288304, 12507738, 13166040, 13824342, 14592361, 15360380, 15799248, 16676984, 17554720, 18432456, 18761607, 19749060, 20846230, 23040570, 24576608, 25015476, 26332080, 27648684, 29184722, 30720760, 31269345, 31598496, 33353968, 34560855, 36864912, 37523214, 39498120, 41692460, 43777083, 46081140, 50030952, 52664160, 55297368, 58369444, 61441520, 62538690, 66707936, 69121710, 72961805, 73729824, 75046428, 78996240, 83384920, 87554166, 92162280, 93808035, 100061904, 110594736, 116738888, 122883040, 125077380, 131331249, 138243420, 145923610, 150092856, 157992480, 166769840, 175108332, 184324560, 187616070, 200123808, 218885415, 221189472, 233477776, 250154760, 262662498, 276486840, 291847220, 300185712, 333539680, 350216664, 368649120, 375232140, 437770830, 466955552, 500309520, 525324996, 552973680, 583694440, 600371424, 656656245, 700433328, 750464280, 875541660, 1000619040, 1050649992, 1105947360, 1167388880, 1313312490, 1400866656, 1500928560, 1751083320, 2101299984, 2334777760, 2626624980, 3001857120, 3502166640, 4202599968, 5253249960, 7004333280, 10506499920, 21012999840]

約数ペア:

[(1, 21012999840), (2, 10506499920), (3, 7004333280), (4, 5253249960), (5, 4202599968), (6, 3502166640), (7, 3001857120), (8, 2626624980), (9, 2334777760), (10, 2101299984), (12, 1751083320), (14, 1500928560), (15, 1400866656), (16, 1313312490), (18, 1167388880), (19, 1105947360), (20, 1050649992), (21, 1000619040), (24, 875541660), (28, 750464280), (30, 700433328), (32, 656656245), (35, 600371424), (36, 583694440), (38, 552973680), (40, 525324996), (42, 500309520), (45, 466955552), (48, 437770830), (56, 375232140), (57, 368649120), (60, 350216664), (63, 333539680), (70, 300185712), (72, 291847220), (76, 276486840), (80, 262662498), (84, 250154760), (90, 233477776), (95, 221189472), (96, 218885415), (105, 200123808), (112, 187616070), (114, 184324560), (120, 175108332), (126, 166769840), (133, 157992480), (140, 150092856), (144, 145923610), (152, 138243420), (160, 131331249), (168, 125077380), (171, 122883040), (180, 116738888), (190, 110594736), (210, 100061904), (224, 93808035), (228, 92162280), (240, 87554166), (252, 83384920), (266, 78996240), (280, 75046428), (285, 73729824), (288, 72961805), (304, 69121710), (315, 66707936), (336, 62538690), (342, 61441520), (360, 58369444), (380, 55297368), (399, 52664160), (420, 50030952), (456, 46081140), (480, 43777083), (504, 41692460), (532, 39498120), (560, 37523214), (570, 36864912), (608, 34560855), (630, 33353968), (665, 31598496), (672, 31269345), (684, 30720760), (720, 29184722), (760, 27648684), (798, 26332080), (840, 25015476), (855, 24576608), (912, 23040570), (1008, 20846230), (1064, 19749060), (1120, 18761607), (1140, 18432456), (1197, 17554720), (1260, 16676984), (1330, 15799248), (1368, 15360380), (1440, 14592361), (1520, 13824342), (1596, 13166040), (1680, 12507738), (1710, 12288304), (1824, 11520285), (1995, 10532832), (2016, 10423115), (2128, 9874530), (2280, 9216228), (2394, 8777360), (2520, 8338492), (2660, 7899624), (2736, 7680190), (3040, 6912171), (3192, 6583020), (3360, 6253869), (3420, 6144152), (3990, 5266416), (4256, 4937265), (4560, 4608114), (4788, 4388680), (5040, 4169246), (5320, 3949812), (5472, 3840095), (5985, 3510944), (6384, 3291510), (6840, 3072076), (7980, 2633208), (9120, 2304057), (9576, 2194340), (10080, 2084623), (10640, 1974906), (11970, 1755472), (12768, 1645755), (13680, 1536038), (15960, 1316604), (19152, 1097170), (21280, 987453), (23940, 877736), (27360, 768019), (31920, 658302), (38304, 548585), (47880, 438868), (63840, 329151), (95760, 219434), (109717, 191520)]