21000939960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{487}}^1$

素因数の和:891

約数の個数: 512

約数和(自身を含む): 85001011200

約数和(自身を除く): 64000071240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 359, 364, 385, 390, 420, 429, 440, 455, 462, 487, 520, 546, 572, 616, 660, 715, 718, 728, 770, 780, 840, 858, 910, 924, 974, 1001, 1077, 1092, 1144, 1155, 1320, 1365, 1430, 1436, 1461, 1540, 1560, 1716, 1795, 1820, 1848, 1948, 2002, 2145, 2154, 2184, 2310, 2435, 2513, 2730, 2860, 2872, 2922, 3003, 3080, 3409, 3432, 3590, 3640, 3896, 3949, 4004, 4290, 4308, 4620, 4667, 4870, 5005, 5026, 5357, 5385, 5460, 5720, 5844, 6006, 6331, 6818, 7180, 7305, 7539, 7898, 8008, 8580, 8616, 9240, 9334, 9740, 10010, 10052, 10227, 10714, 10770, 10920, 11688, 11847, 12012, 12565, 12662, 13636, 14001, 14360, 14610, 15015, 15078, 15796, 16071, 17045, 17160, 18668, 18993, 19480, 19745, 20020, 20104, 20454, 21428, 21540, 23335, 23694, 24024, 25130, 25324, 26785, 27272, 27643, 28002, 29220, 30030, 30156, 31592, 31655, 32142, 32669, 34090, 37336, 37499, 37695, 37986, 39490, 40040, 40908, 42856, 43080, 44317, 46670, 47388, 50260, 50648, 51135, 51337, 53570, 55286, 56004, 58440, 59235, 60060, 60312, 63310, 64284, 65338, 68180, 69641, 70005, 74998, 75390, 75972, 78980, 80355, 81816, 82929, 88634, 93340, 94776, 94965, 98007, 100520, 102270, 102674, 107140, 110572, 112008, 112497, 118470, 120120, 126620, 128568, 130676, 132951, 136360, 138215, 139282, 140010, 149996, 150780, 151944, 154011, 157960, 160710, 163345, 165858, 174833, 177268, 186680, 187495, 189930, 196014, 204540, 205348, 208923, 214280, 221144, 221585, 224994, 236940, 253240, 256685, 261352, 265902, 276430, 278564, 280020, 299992, 301560, 308022, 321420, 326690, 331716, 348205, 349666, 354536, 359359, 374990, 379860, 392028, 409080, 410696, 414645, 417846, 443170, 449988, 473880, 487487, 490035, 513370, 524499, 531804, 552860, 557128, 560040, 562485, 616044, 642840, 653380, 663432, 664755, 696410, 699332, 718718, 749980, 759720, 770055, 784056, 829290, 835692, 874165, 886340, 899976, 974974, 980070, 1026740, 1044615, 1048998, 1063608, 1078077, 1105720, 1124970, 1223831, 1232088, 1306760, 1329510, 1392820, 1398664, 1437436, 1462461, 1499960, 1540110, 1658580, 1671384, 1748330, 1772680, 1796795, 1923163, 1949948, 1960140, 2053480, 2089230, 2097996, 2156154, 2249940, 2272829, 2437435, 2447662, 2622495, 2659020, 2785640, 2874872, 2924922, 3080220, 3317160, 3496660, 3593590, 3671493, 3846326, 3899896, 3920280, 4178460, 4195992, 4312308, 4499880, 4545658, 4874870, 4895324, 5244990, 5318040, 5390385, 5769489, 5849844, 6119155, 6160440, 6818487, 6993320, 7187180, 7312305, 7342986, 7692652, 8356920, 8624616, 9091316, 9615815, 9749740, 9790648, 10489980, 10780770, 11364145, 11538978, 11699688, 12238310, 13462141, 13636974, 14374360, 14624610, 14685972, 15385304, 15909803, 18182632, 18357465, 19231630, 19499480, 20979960, 21561540, 22728290, 23077956, 24476620, 25001119, 26924282, 27273948, 28847445, 29249220, 29371944, 31819606, 34092435, 36714930, 38463260, 40386423, 43123080, 45456580, 46155912, 47729409, 48953240, 50002238, 53848564, 54547896, 57694890, 58498440, 63639212, 67310705, 68184870, 73429860, 75003357, 76926520, 79549015, 80772846, 90913160, 95458818, 100004476, 107697128, 115389780, 125005595, 127278424, 134621410, 136369740, 146859720, 150006714, 159098030, 161545692, 175007833, 190917636, 200008952, 201932115, 230779560, 238647045, 250011190, 269242820, 272739480, 300013428, 318196060, 323091384, 350015666, 375016785, 381835272, 403864230, 477294090, 500022380, 525023499, 538485640, 600026856, 636392120, 700031332, 750033570, 807728460, 875039165, 954588180, 1000044760, 1050046998, 1400062664, 1500067140, 1615456920, 1750078330, 1909176360, 2100093996, 2625117495, 3000134280, 3500156660, 4200187992, 5250234990, 7000313320, 10500469980, 21000939960]

約数ペア:

[(1, 21000939960), (2, 10500469980), (3, 7000313320), (4, 5250234990), (5, 4200187992), (6, 3500156660), (7, 3000134280), (8, 2625117495), (10, 2100093996), (11, 1909176360), (12, 1750078330), (13, 1615456920), (14, 1500067140), (15, 1400062664), (20, 1050046998), (21, 1000044760), (22, 954588180), (24, 875039165), (26, 807728460), (28, 750033570), (30, 700031332), (33, 636392120), (35, 600026856), (39, 538485640), (40, 525023499), (42, 500022380), (44, 477294090), (52, 403864230), (55, 381835272), (56, 375016785), (60, 350015666), (65, 323091384), (66, 318196060), (70, 300013428), (77, 272739480), (78, 269242820), (84, 250011190), (88, 238647045), (91, 230779560), (104, 201932115), (105, 200008952), (110, 190917636), (120, 175007833), (130, 161545692), (132, 159098030), (140, 150006714), (143, 146859720), (154, 136369740), (156, 134621410), (165, 127278424), (168, 125005595), (182, 115389780), (195, 107697128), (210, 100004476), (220, 95458818), (231, 90913160), (260, 80772846), (264, 79549015), (273, 76926520), (280, 75003357), (286, 73429860), (308, 68184870), (312, 67310705), (330, 63639212), (359, 58498440), (364, 57694890), (385, 54547896), (390, 53848564), (420, 50002238), (429, 48953240), (440, 47729409), (455, 46155912), (462, 45456580), (487, 43123080), (520, 40386423), (546, 38463260), (572, 36714930), (616, 34092435), (660, 31819606), (715, 29371944), (718, 29249220), (728, 28847445), (770, 27273948), (780, 26924282), (840, 25001119), (858, 24476620), (910, 23077956), (924, 22728290), (974, 21561540), (1001, 20979960), (1077, 19499480), (1092, 19231630), (1144, 18357465), (1155, 18182632), (1320, 15909803), (1365, 15385304), (1430, 14685972), (1436, 14624610), (1461, 14374360), (1540, 13636974), (1560, 13462141), (1716, 12238310), (1795, 11699688), (1820, 11538978), (1848, 11364145), (1948, 10780770), (2002, 10489980), (2145, 9790648), (2154, 9749740), (2184, 9615815), (2310, 9091316), (2435, 8624616), (2513, 8356920), (2730, 7692652), (2860, 7342986), (2872, 7312305), (2922, 7187180), (3003, 6993320), (3080, 6818487), (3409, 6160440), (3432, 6119155), (3590, 5849844), (3640, 5769489), (3896, 5390385), (3949, 5318040), (4004, 5244990), (4290, 4895324), (4308, 4874870), (4620, 4545658), (4667, 4499880), (4870, 4312308), (5005, 4195992), (5026, 4178460), (5357, 3920280), (5385, 3899896), (5460, 3846326), (5720, 3671493), (5844, 3593590), (6006, 3496660), (6331, 3317160), (6818, 3080220), (7180, 2924922), (7305, 2874872), (7539, 2785640), (7898, 2659020), (8008, 2622495), (8580, 2447662), (8616, 2437435), (9240, 2272829), (9334, 2249940), (9740, 2156154), (10010, 2097996), (10052, 2089230), (10227, 2053480), (10714, 1960140), (10770, 1949948), (10920, 1923163), (11688, 1796795), (11847, 1772680), (12012, 1748330), (12565, 1671384), (12662, 1658580), (13636, 1540110), (14001, 1499960), (14360, 1462461), (14610, 1437436), (15015, 1398664), (15078, 1392820), (15796, 1329510), (16071, 1306760), (17045, 1232088), (17160, 1223831), (18668, 1124970), (18993, 1105720), (19480, 1078077), (19745, 1063608), (20020, 1048998), (20104, 1044615), (20454, 1026740), (21428, 980070), (21540, 974974), (23335, 899976), (23694, 886340), (24024, 874165), (25130, 835692), (25324, 829290), (26785, 784056), (27272, 770055), (27643, 759720), (28002, 749980), (29220, 718718), (30030, 699332), (30156, 696410), (31592, 664755), (31655, 663432), (32142, 653380), (32669, 642840), (34090, 616044), (37336, 562485), (37499, 560040), (37695, 557128), (37986, 552860), (39490, 531804), (40040, 524499), (40908, 513370), (42856, 490035), (43080, 487487), (44317, 473880), (46670, 449988), (47388, 443170), (50260, 417846), (50648, 414645), (51135, 410696), (51337, 409080), (53570, 392028), (55286, 379860), (56004, 374990), (58440, 359359), (59235, 354536), (60060, 349666), (60312, 348205), (63310, 331716), (64284, 326690), (65338, 321420), (68180, 308022), (69641, 301560), (70005, 299992), (74998, 280020), (75390, 278564), (75972, 276430), (78980, 265902), (80355, 261352), (81816, 256685), (82929, 253240), (88634, 236940), (93340, 224994), (94776, 221585), (94965, 221144), (98007, 214280), (100520, 208923), (102270, 205348), (102674, 204540), (107140, 196014), (110572, 189930), (112008, 187495), (112497, 186680), (118470, 177268), (120120, 174833), (126620, 165858), (128568, 163345), (130676, 160710), (132951, 157960), (136360, 154011), (138215, 151944), (139282, 150780), (140010, 149996)]