21049206360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1091

約数の個数: 384

約数和(自身を含む): 79409937600

約数和(自身を除く): 58360731240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 509, 520, 541, 546, 588, 637, 728, 735, 780, 840, 910, 980, 1018, 1082, 1092, 1176, 1274, 1365, 1470, 1527, 1560, 1623, 1820, 1911, 1960, 2036, 2164, 2184, 2545, 2548, 2705, 2730, 2940, 3054, 3185, 3246, 3563, 3640, 3787, 3822, 4072, 4328, 5090, 5096, 5410, 5460, 5880, 6108, 6370, 6492, 6617, 7033, 7126, 7574, 7635, 7644, 8115, 9555, 10180, 10689, 10820, 10920, 11361, 12216, 12740, 12984, 13234, 14066, 14252, 15148, 15270, 15288, 16230, 17815, 18935, 19110, 19851, 20360, 21099, 21378, 21640, 22722, 24941, 25480, 26468, 26509, 28132, 28504, 30296, 30540, 32460, 33085, 35165, 35630, 37870, 38220, 39702, 42198, 42756, 45444, 46319, 49231, 49882, 52936, 53018, 53445, 56264, 56805, 61080, 64920, 66170, 70330, 71260, 74823, 75740, 76440, 79404, 79527, 84396, 85512, 90888, 92638, 98462, 99255, 99764, 105495, 106036, 106890, 113610, 124705, 132340, 132545, 138957, 140660, 142520, 147693, 149646, 151480, 158808, 159054, 168792, 185276, 196924, 198510, 199528, 210990, 212072, 213780, 227220, 231595, 246155, 249410, 264680, 265090, 275369, 277914, 281320, 295386, 299292, 318108, 324233, 344617, 370552, 374115, 393848, 397020, 397635, 421980, 427560, 454440, 463190, 492310, 498820, 530180, 550738, 555828, 590772, 598584, 636216, 648466, 689234, 694785, 738465, 748230, 794040, 795270, 826107, 843960, 926380, 972699, 984620, 997640, 1033851, 1060360, 1101476, 1111656, 1181544, 1296932, 1376845, 1378468, 1389570, 1476930, 1496460, 1590540, 1621165, 1652214, 1723085, 1852760, 1927583, 1945398, 1969240, 2067702, 2202952, 2593864, 2753690, 2756936, 2779140, 2953860, 2992920, 3181080, 3242330, 3304428, 3446170, 3579797, 3855166, 3890796, 4130535, 4135404, 4863495, 5169255, 5507380, 5558280, 5782749, 5907720, 6484660, 6608856, 6892340, 7159594, 7710332, 7781592, 8261070, 8270808, 9637915, 9726990, 10338510, 10739391, 11014760, 11565498, 12969320, 13493081, 13784680, 14319188, 15420664, 16522140, 17898985, 19275830, 19453980, 20677020, 21478782, 23130996, 25058579, 26986162, 28638376, 28913745, 33044280, 35797970, 38551660, 38907960, 40479243, 41354040, 42957564, 46261992, 50117158, 53696955, 53972324, 57827490, 67465405, 71595940, 75175737, 77103320, 80958486, 85915128, 100234316, 107393910, 107944648, 115654980, 125292895, 134930810, 143191880, 150351474, 161916972, 175410053, 200468632, 202396215, 214787820, 231309960, 250585790, 269861620, 300702948, 323833944, 350820106, 375878685, 404792430, 429575640, 501171580, 526230159, 539723240, 601405896, 701640212, 751757370, 809584860, 877050265, 1002343160, 1052460318, 1403280424, 1503514740, 1619169720, 1754100530, 2104920636, 2631150795, 3007029480, 3508201060, 4209841272, 5262301590, 7016402120, 10524603180, 21049206360]

約数ペア:

[(1, 21049206360), (2, 10524603180), (3, 7016402120), (4, 5262301590), (5, 4209841272), (6, 3508201060), (7, 3007029480), (8, 2631150795), (10, 2104920636), (12, 1754100530), (13, 1619169720), (14, 1503514740), (15, 1403280424), (20, 1052460318), (21, 1002343160), (24, 877050265), (26, 809584860), (28, 751757370), (30, 701640212), (35, 601405896), (39, 539723240), (40, 526230159), (42, 501171580), (49, 429575640), (52, 404792430), (56, 375878685), (60, 350820106), (65, 323833944), (70, 300702948), (78, 269861620), (84, 250585790), (91, 231309960), (98, 214787820), (104, 202396215), (105, 200468632), (120, 175410053), (130, 161916972), (140, 150351474), (147, 143191880), (156, 134930810), (168, 125292895), (182, 115654980), (195, 107944648), (196, 107393910), (210, 100234316), (245, 85915128), (260, 80958486), (273, 77103320), (280, 75175737), (294, 71595940), (312, 67465405), (364, 57827490), (390, 53972324), (392, 53696955), (420, 50117158), (455, 46261992), (490, 42957564), (509, 41354040), (520, 40479243), (541, 38907960), (546, 38551660), (588, 35797970), (637, 33044280), (728, 28913745), (735, 28638376), (780, 26986162), (840, 25058579), (910, 23130996), (980, 21478782), (1018, 20677020), (1082, 19453980), (1092, 19275830), (1176, 17898985), (1274, 16522140), (1365, 15420664), (1470, 14319188), (1527, 13784680), (1560, 13493081), (1623, 12969320), (1820, 11565498), (1911, 11014760), (1960, 10739391), (2036, 10338510), (2164, 9726990), (2184, 9637915), (2545, 8270808), (2548, 8261070), (2705, 7781592), (2730, 7710332), (2940, 7159594), (3054, 6892340), (3185, 6608856), (3246, 6484660), (3563, 5907720), (3640, 5782749), (3787, 5558280), (3822, 5507380), (4072, 5169255), (4328, 4863495), (5090, 4135404), (5096, 4130535), (5410, 3890796), (5460, 3855166), (5880, 3579797), (6108, 3446170), (6370, 3304428), (6492, 3242330), (6617, 3181080), (7033, 2992920), (7126, 2953860), (7574, 2779140), (7635, 2756936), (7644, 2753690), (8115, 2593864), (9555, 2202952), (10180, 2067702), (10689, 1969240), (10820, 1945398), (10920, 1927583), (11361, 1852760), (12216, 1723085), (12740, 1652214), (12984, 1621165), (13234, 1590540), (14066, 1496460), (14252, 1476930), (15148, 1389570), (15270, 1378468), (15288, 1376845), (16230, 1296932), (17815, 1181544), (18935, 1111656), (19110, 1101476), (19851, 1060360), (20360, 1033851), (21099, 997640), (21378, 984620), (21640, 972699), (22722, 926380), (24941, 843960), (25480, 826107), (26468, 795270), (26509, 794040), (28132, 748230), (28504, 738465), (30296, 694785), (30540, 689234), (32460, 648466), (33085, 636216), (35165, 598584), (35630, 590772), (37870, 555828), (38220, 550738), (39702, 530180), (42198, 498820), (42756, 492310), (45444, 463190), (46319, 454440), (49231, 427560), (49882, 421980), (52936, 397635), (53018, 397020), (53445, 393848), (56264, 374115), (56805, 370552), (61080, 344617), (64920, 324233), (66170, 318108), (70330, 299292), (71260, 295386), (74823, 281320), (75740, 277914), (76440, 275369), (79404, 265090), (79527, 264680), (84396, 249410), (85512, 246155), (90888, 231595), (92638, 227220), (98462, 213780), (99255, 212072), (99764, 210990), (105495, 199528), (106036, 198510), (106890, 196924), (113610, 185276), (124705, 168792), (132340, 159054), (132545, 158808), (138957, 151480), (140660, 149646), (142520, 147693)]