21290280704

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{29191}}^1$

素因数の和:29262

約数の個数: 144

約数和(自身を含む): 54417624576

約数和(自身を除く): 33127343872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 64, 74, 77, 88, 112, 128, 148, 154, 176, 224, 256, 259, 296, 308, 352, 407, 448, 518, 592, 616, 704, 814, 896, 1036, 1184, 1232, 1408, 1628, 1792, 2072, 2368, 2464, 2816, 2849, 3256, 4144, 4736, 4928, 5698, 6512, 8288, 9472, 9856, 11396, 13024, 16576, 19712, 22792, 26048, 29191, 33152, 45584, 52096, 58382, 66304, 91168, 104192, 116764, 182336, 204337, 233528, 321101, 364672, 408674, 467056, 642202, 729344, 817348, 934112, 1080067, 1284404, 1634696, 1868224, 2160134, 2247707, 2568808, 3269392, 3736448, 4320268, 4495414, 5137616, 6538784, 7472896, 7560469, 8640536, 8990828, 10275232, 11880737, 13077568, 15120938, 17281072, 17981656, 20550464, 23761474, 26155136, 30241876, 34562144, 35963312, 41100928, 47522948, 52310272, 60483752, 69124288, 71926624, 82201856, 83165159, 95045896, 120967504, 138248576, 143853248, 166330318, 190091792, 241935008, 276497152, 287706496, 332660636, 380183584, 483870016, 575412992, 665321272, 760367168, 967740032, 1330642544, 1520734336, 1935480064, 2661285088, 3041468672, 5322570176, 10645140352, 21290280704]

約数ペア:

[(1, 21290280704), (2, 10645140352), (4, 5322570176), (7, 3041468672), (8, 2661285088), (11, 1935480064), (14, 1520734336), (16, 1330642544), (22, 967740032), (28, 760367168), (32, 665321272), (37, 575412992), (44, 483870016), (56, 380183584), (64, 332660636), (74, 287706496), (77, 276497152), (88, 241935008), (112, 190091792), (128, 166330318), (148, 143853248), (154, 138248576), (176, 120967504), (224, 95045896), (256, 83165159), (259, 82201856), (296, 71926624), (308, 69124288), (352, 60483752), (407, 52310272), (448, 47522948), (518, 41100928), (592, 35963312), (616, 34562144), (704, 30241876), (814, 26155136), (896, 23761474), (1036, 20550464), (1184, 17981656), (1232, 17281072), (1408, 15120938), (1628, 13077568), (1792, 11880737), (2072, 10275232), (2368, 8990828), (2464, 8640536), (2816, 7560469), (2849, 7472896), (3256, 6538784), (4144, 5137616), (4736, 4495414), (4928, 4320268), (5698, 3736448), (6512, 3269392), (8288, 2568808), (9472, 2247707), (9856, 2160134), (11396, 1868224), (13024, 1634696), (16576, 1284404), (19712, 1080067), (22792, 934112), (26048, 817348), (29191, 729344), (33152, 642202), (45584, 467056), (52096, 408674), (58382, 364672), (66304, 321101), (91168, 233528), (104192, 204337), (116764, 182336)]