21140821680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{877}}^1$

素因数の和:1324

約数の個数: 320

約数和(自身を含む): 74876064768

約数和(自身を除く): 53735243088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 220, 230, 240, 253, 264, 276, 330, 345, 368, 397, 440, 460, 506, 528, 552, 660, 690, 759, 794, 877, 880, 920, 1012, 1104, 1191, 1265, 1320, 1380, 1518, 1588, 1754, 1840, 1985, 2024, 2382, 2530, 2631, 2640, 2760, 3036, 3176, 3508, 3795, 3970, 4048, 4367, 4385, 4764, 5060, 5262, 5520, 5955, 6072, 6352, 7016, 7590, 7940, 8734, 8770, 9131, 9528, 9647, 10120, 10524, 11910, 12144, 13101, 13155, 14032, 15180, 15880, 17468, 17540, 18262, 19056, 19294, 20171, 20240, 21048, 21835, 23820, 26202, 26310, 27393, 28941, 30360, 31760, 34936, 35080, 36524, 38588, 40342, 42096, 43670, 45655, 47640, 48235, 52404, 52620, 54786, 57882, 60513, 60720, 65505, 69872, 70160, 73048, 77176, 80684, 87340, 91310, 95280, 96470, 100441, 100855, 104808, 105240, 109572, 115764, 121026, 131010, 136965, 144705, 146096, 154352, 161368, 174680, 182620, 192940, 200882, 201710, 209616, 210480, 219144, 221881, 231528, 242052, 262020, 273930, 289410, 301323, 302565, 322736, 348169, 349360, 365240, 385880, 401764, 403420, 438288, 443762, 463056, 484104, 502205, 524040, 547860, 578820, 602646, 605130, 665643, 696338, 730480, 771760, 803528, 806840, 887524, 968208, 1004410, 1044507, 1048080, 1095720, 1109405, 1157640, 1205292, 1210260, 1331286, 1392676, 1506615, 1607056, 1613680, 1740845, 1775048, 2008820, 2089014, 2191440, 2218810, 2315280, 2410584, 2420520, 2662572, 2785352, 3013230, 3328215, 3481690, 3550096, 3829859, 4017640, 4178028, 4437620, 4821168, 4841040, 5222535, 5325144, 5570704, 6026460, 6656430, 6963380, 7659718, 8007887, 8035280, 8356056, 8875240, 10445070, 10650288, 11489577, 12052920, 13312860, 13926760, 15319436, 16015774, 16712112, 17750480, 19149295, 20890140, 22979154, 24023661, 24105840, 26625720, 27853520, 30638872, 32031548, 38298590, 40039435, 41780280, 45958308, 48047322, 53251440, 57447885, 61277744, 64063096, 76597180, 80078870, 83560560, 88086757, 91916616, 96094644, 114895770, 120118305, 128126192, 153194360, 160157740, 176173514, 183833232, 192189288, 229791540, 240236610, 264260271, 306388720, 320315480, 352347028, 384378576, 440433785, 459583080, 480473220, 528520542, 640630960, 704694056, 880867570, 919166160, 960946440, 1057041084, 1321301355, 1409388112, 1761735140, 1921892880, 2114082168, 2642602710, 3523470280, 4228164336, 5285205420, 7046940560, 10570410840, 21140821680]

約数ペア:

[(1, 21140821680), (2, 10570410840), (3, 7046940560), (4, 5285205420), (5, 4228164336), (6, 3523470280), (8, 2642602710), (10, 2114082168), (11, 1921892880), (12, 1761735140), (15, 1409388112), (16, 1321301355), (20, 1057041084), (22, 960946440), (23, 919166160), (24, 880867570), (30, 704694056), (33, 640630960), (40, 528520542), (44, 480473220), (46, 459583080), (48, 440433785), (55, 384378576), (60, 352347028), (66, 320315480), (69, 306388720), (80, 264260271), (88, 240236610), (92, 229791540), (110, 192189288), (115, 183833232), (120, 176173514), (132, 160157740), (138, 153194360), (165, 128126192), (176, 120118305), (184, 114895770), (220, 96094644), (230, 91916616), (240, 88086757), (253, 83560560), (264, 80078870), (276, 76597180), (330, 64063096), (345, 61277744), (368, 57447885), (397, 53251440), (440, 48047322), (460, 45958308), (506, 41780280), (528, 40039435), (552, 38298590), (660, 32031548), (690, 30638872), (759, 27853520), (794, 26625720), (877, 24105840), (880, 24023661), (920, 22979154), (1012, 20890140), (1104, 19149295), (1191, 17750480), (1265, 16712112), (1320, 16015774), (1380, 15319436), (1518, 13926760), (1588, 13312860), (1754, 12052920), (1840, 11489577), (1985, 10650288), (2024, 10445070), (2382, 8875240), (2530, 8356056), (2631, 8035280), (2640, 8007887), (2760, 7659718), (3036, 6963380), (3176, 6656430), (3508, 6026460), (3795, 5570704), (3970, 5325144), (4048, 5222535), (4367, 4841040), (4385, 4821168), (4764, 4437620), (5060, 4178028), (5262, 4017640), (5520, 3829859), (5955, 3550096), (6072, 3481690), (6352, 3328215), (7016, 3013230), (7590, 2785352), (7940, 2662572), (8734, 2420520), (8770, 2410584), (9131, 2315280), (9528, 2218810), (9647, 2191440), (10120, 2089014), (10524, 2008820), (11910, 1775048), (12144, 1740845), (13101, 1613680), (13155, 1607056), (14032, 1506615), (15180, 1392676), (15880, 1331286), (17468, 1210260), (17540, 1205292), (18262, 1157640), (19056, 1109405), (19294, 1095720), (20171, 1048080), (20240, 1044507), (21048, 1004410), (21835, 968208), (23820, 887524), (26202, 806840), (26310, 803528), (27393, 771760), (28941, 730480), (30360, 696338), (31760, 665643), (34936, 605130), (35080, 602646), (36524, 578820), (38588, 547860), (40342, 524040), (42096, 502205), (43670, 484104), (45655, 463056), (47640, 443762), (48235, 438288), (52404, 403420), (52620, 401764), (54786, 385880), (57882, 365240), (60513, 349360), (60720, 348169), (65505, 322736), (69872, 302565), (70160, 301323), (73048, 289410), (77176, 273930), (80684, 262020), (87340, 242052), (91310, 231528), (95280, 221881), (96470, 219144), (100441, 210480), (100855, 209616), (104808, 201710), (105240, 200882), (109572, 192940), (115764, 182620), (121026, 174680), (131010, 161368), (136965, 154352), (144705, 146096)]