21013291968

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:515

約数の個数: 224

約数和(自身を含む): 58560614400

約数和(自身を除く): 37547322432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 113, 124, 157, 186, 192, 199, 226, 248, 314, 339, 372, 398, 452, 471, 496, 597, 628, 678, 744, 796, 904, 942, 992, 1194, 1256, 1356, 1488, 1592, 1808, 1884, 1984, 2388, 2512, 2712, 2976, 3184, 3503, 3616, 3768, 4776, 4867, 5024, 5424, 5952, 6169, 6368, 7006, 7232, 7536, 9552, 9734, 10048, 10509, 10848, 12338, 12736, 14012, 14601, 15072, 17741, 18507, 19104, 19468, 21018, 21696, 22487, 24676, 28024, 29202, 30144, 31243, 35482, 37014, 38208, 38936, 42036, 44974, 49352, 53223, 56048, 58404, 62486, 67461, 70964, 74028, 77872, 84072, 89948, 93729, 98704, 106446, 112096, 116808, 124972, 134922, 141928, 148056, 155744, 168144, 179896, 187458, 197408, 212892, 224192, 233616, 249944, 269844, 283856, 296112, 311488, 336288, 359792, 374916, 394816, 425784, 467232, 499888, 539688, 549971, 567712, 592224, 672576, 697097, 719584, 749832, 851568, 934464, 968533, 999776, 1079376, 1099942, 1135424, 1184448, 1394194, 1439168, 1499664, 1649913, 1703136, 1937066, 1999552, 2091291, 2158752, 2199884, 2788388, 2905599, 2999328, 3299826, 3406272, 3530459, 3874132, 4182582, 4317504, 4399768, 5576776, 5811198, 5998656, 6599652, 7060918, 7748264, 8365164, 8799536, 10591377, 11153552, 11622396, 13199304, 14121836, 15496528, 16730328, 17599072, 21182754, 22307104, 23244792, 26398608, 28243672, 30993056, 33460656, 35198144, 42365508, 44614208, 46489584, 52797216, 56487344, 61986112, 66921312, 84731016, 92979168, 105594432, 109444229, 112974688, 133842624, 169462032, 185958336, 218888458, 225949376, 328332687, 338924064, 437776916, 656665374, 677848128, 875553832, 1313330748, 1751107664, 2626661496, 3502215328, 5253322992, 7004430656, 10506645984, 21013291968]

約数ペア:

[(1, 21013291968), (2, 10506645984), (3, 7004430656), (4, 5253322992), (6, 3502215328), (8, 2626661496), (12, 1751107664), (16, 1313330748), (24, 875553832), (31, 677848128), (32, 656665374), (48, 437776916), (62, 338924064), (64, 328332687), (93, 225949376), (96, 218888458), (113, 185958336), (124, 169462032), (157, 133842624), (186, 112974688), (192, 109444229), (199, 105594432), (226, 92979168), (248, 84731016), (314, 66921312), (339, 61986112), (372, 56487344), (398, 52797216), (452, 46489584), (471, 44614208), (496, 42365508), (597, 35198144), (628, 33460656), (678, 30993056), (744, 28243672), (796, 26398608), (904, 23244792), (942, 22307104), (992, 21182754), (1194, 17599072), (1256, 16730328), (1356, 15496528), (1488, 14121836), (1592, 13199304), (1808, 11622396), (1884, 11153552), (1984, 10591377), (2388, 8799536), (2512, 8365164), (2712, 7748264), (2976, 7060918), (3184, 6599652), (3503, 5998656), (3616, 5811198), (3768, 5576776), (4776, 4399768), (4867, 4317504), (5024, 4182582), (5424, 3874132), (5952, 3530459), (6169, 3406272), (6368, 3299826), (7006, 2999328), (7232, 2905599), (7536, 2788388), (9552, 2199884), (9734, 2158752), (10048, 2091291), (10509, 1999552), (10848, 1937066), (12338, 1703136), (12736, 1649913), (14012, 1499664), (14601, 1439168), (15072, 1394194), (17741, 1184448), (18507, 1135424), (19104, 1099942), (19468, 1079376), (21018, 999776), (21696, 968533), (22487, 934464), (24676, 851568), (28024, 749832), (29202, 719584), (30144, 697097), (31243, 672576), (35482, 592224), (37014, 567712), (38208, 549971), (38936, 539688), (42036, 499888), (44974, 467232), (49352, 425784), (53223, 394816), (56048, 374916), (58404, 359792), (62486, 336288), (67461, 311488), (70964, 296112), (74028, 283856), (77872, 269844), (84072, 249944), (89948, 233616), (93729, 224192), (98704, 212892), (106446, 197408), (112096, 187458), (116808, 179896), (124972, 168144), (134922, 155744), (141928, 148056)]