21234115520

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:635

約数の個数: 224

約数和(自身を含む): 54073958400

約数和(自身を除く): 32839842880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 116, 127, 145, 160, 172, 215, 232, 254, 290, 320, 344, 419, 430, 464, 508, 580, 635, 688, 838, 860, 928, 1016, 1160, 1247, 1270, 1376, 1676, 1720, 1856, 2032, 2095, 2320, 2494, 2540, 2752, 3352, 3440, 3683, 4064, 4190, 4640, 4988, 5080, 5461, 6235, 6704, 6880, 7366, 8128, 8380, 9280, 9976, 10160, 10922, 12151, 12470, 13408, 13760, 14732, 16760, 18017, 18415, 19952, 20320, 21844, 24302, 24940, 26816, 27305, 29464, 33520, 36034, 36830, 39904, 40640, 43688, 48604, 49880, 53213, 54610, 58928, 60755, 67040, 72068, 73660, 79808, 87376, 90085, 97208, 99760, 106426, 109220, 117856, 121510, 134080, 144136, 147320, 158369, 174752, 180170, 194416, 199520, 212852, 218440, 235712, 243020, 266065, 288272, 294640, 316738, 349504, 360340, 388832, 399040, 425704, 436880, 486040, 522493, 532130, 576544, 589280, 633476, 720680, 777664, 791845, 851408, 873760, 972080, 1044986, 1064260, 1153088, 1178560, 1266952, 1441360, 1543177, 1583690, 1702816, 1747520, 1944160, 2089972, 2128520, 2288159, 2533904, 2612465, 2882720, 3086354, 3167380, 3405632, 3888320, 4179944, 4257040, 4576318, 5067808, 5224930, 5765440, 6172708, 6334760, 7715885, 8359888, 8514080, 9152636, 10135616, 10449860, 11440795, 12345416, 12669520, 15431770, 16719776, 17028160, 18305272, 20899720, 22881590, 24690832, 25339040, 30863540, 33439552, 36610544, 41799440, 45763180, 49381664, 50678080, 61727080, 66356611, 73221088, 83598880, 91526360, 98763328, 123454160, 132713222, 146442176, 167197760, 183052720, 246908320, 265426444, 331783055, 366105440, 493816640, 530852888, 663566110, 732210880, 1061705776, 1327132220, 2123411552, 2654264440, 4246823104, 5308528880, 10617057760, 21234115520]

約数ペア:

[(1, 21234115520), (2, 10617057760), (4, 5308528880), (5, 4246823104), (8, 2654264440), (10, 2123411552), (16, 1327132220), (20, 1061705776), (29, 732210880), (32, 663566110), (40, 530852888), (43, 493816640), (58, 366105440), (64, 331783055), (80, 265426444), (86, 246908320), (116, 183052720), (127, 167197760), (145, 146442176), (160, 132713222), (172, 123454160), (215, 98763328), (232, 91526360), (254, 83598880), (290, 73221088), (320, 66356611), (344, 61727080), (419, 50678080), (430, 49381664), (464, 45763180), (508, 41799440), (580, 36610544), (635, 33439552), (688, 30863540), (838, 25339040), (860, 24690832), (928, 22881590), (1016, 20899720), (1160, 18305272), (1247, 17028160), (1270, 16719776), (1376, 15431770), (1676, 12669520), (1720, 12345416), (1856, 11440795), (2032, 10449860), (2095, 10135616), (2320, 9152636), (2494, 8514080), (2540, 8359888), (2752, 7715885), (3352, 6334760), (3440, 6172708), (3683, 5765440), (4064, 5224930), (4190, 5067808), (4640, 4576318), (4988, 4257040), (5080, 4179944), (5461, 3888320), (6235, 3405632), (6704, 3167380), (6880, 3086354), (7366, 2882720), (8128, 2612465), (8380, 2533904), (9280, 2288159), (9976, 2128520), (10160, 2089972), (10922, 1944160), (12151, 1747520), (12470, 1702816), (13408, 1583690), (13760, 1543177), (14732, 1441360), (16760, 1266952), (18017, 1178560), (18415, 1153088), (19952, 1064260), (20320, 1044986), (21844, 972080), (24302, 873760), (24940, 851408), (26816, 791845), (27305, 777664), (29464, 720680), (33520, 633476), (36034, 589280), (36830, 576544), (39904, 532130), (40640, 522493), (43688, 486040), (48604, 436880), (49880, 425704), (53213, 399040), (54610, 388832), (58928, 360340), (60755, 349504), (67040, 316738), (72068, 294640), (73660, 288272), (79808, 266065), (87376, 243020), (90085, 235712), (97208, 218440), (99760, 212852), (106426, 199520), (109220, 194416), (117856, 180170), (121510, 174752), (134080, 158369), (144136, 147320)]