21807131808

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{16481}}^1$

素因数の和:16691

約数の個数: 192

約数和(自身を含む): 71771857920

約数和(自身を除く): 49964726112

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 132, 154, 168, 176, 179, 224, 231, 264, 308, 336, 352, 358, 462, 528, 537, 616, 672, 716, 924, 1056, 1074, 1232, 1253, 1432, 1848, 1969, 2148, 2464, 2506, 2864, 3696, 3759, 3938, 4296, 5012, 5728, 5907, 7392, 7518, 7876, 8592, 10024, 11814, 13783, 15036, 15752, 16481, 17184, 20048, 23628, 27566, 30072, 31504, 32962, 40096, 41349, 47256, 49443, 55132, 60144, 63008, 65924, 82698, 94512, 98886, 110264, 115367, 120288, 131848, 165396, 181291, 189024, 197772, 220528, 230734, 263696, 330792, 346101, 362582, 395544, 441056, 461468, 527392, 543873, 661584, 692202, 725164, 791088, 922936, 1087746, 1269037, 1323168, 1384404, 1450328, 1582176, 1845872, 2175492, 2538074, 2768808, 2900656, 2950099, 3691744, 3807111, 4350984, 5076148, 5537616, 5801312, 5900198, 7614222, 8701968, 8850297, 10152296, 11075232, 11800396, 15228444, 17403936, 17700594, 20304592, 20650693, 23600792, 30456888, 32451089, 35401188, 40609184, 41301386, 47201584, 60913776, 61952079, 64902178, 70802376, 82602772, 94403168, 97353267, 121827552, 123904158, 129804356, 141604752, 165205544, 194706534, 227157623, 247808316, 259608712, 283209504, 330411088, 389413068, 454315246, 495616632, 519217424, 660822176, 681472869, 778826136, 908630492, 991233264, 1038434848, 1362945738, 1557652272, 1817260984, 1982466528, 2725891476, 3115304544, 3634521968, 5451782952, 7269043936, 10903565904, 21807131808]

約数ペア:

[(1, 21807131808), (2, 10903565904), (3, 7269043936), (4, 5451782952), (6, 3634521968), (7, 3115304544), (8, 2725891476), (11, 1982466528), (12, 1817260984), (14, 1557652272), (16, 1362945738), (21, 1038434848), (22, 991233264), (24, 908630492), (28, 778826136), (32, 681472869), (33, 660822176), (42, 519217424), (44, 495616632), (48, 454315246), (56, 389413068), (66, 330411088), (77, 283209504), (84, 259608712), (88, 247808316), (96, 227157623), (112, 194706534), (132, 165205544), (154, 141604752), (168, 129804356), (176, 123904158), (179, 121827552), (224, 97353267), (231, 94403168), (264, 82602772), (308, 70802376), (336, 64902178), (352, 61952079), (358, 60913776), (462, 47201584), (528, 41301386), (537, 40609184), (616, 35401188), (672, 32451089), (716, 30456888), (924, 23600792), (1056, 20650693), (1074, 20304592), (1232, 17700594), (1253, 17403936), (1432, 15228444), (1848, 11800396), (1969, 11075232), (2148, 10152296), (2464, 8850297), (2506, 8701968), (2864, 7614222), (3696, 5900198), (3759, 5801312), (3938, 5537616), (4296, 5076148), (5012, 4350984), (5728, 3807111), (5907, 3691744), (7392, 2950099), (7518, 2900656), (7876, 2768808), (8592, 2538074), (10024, 2175492), (11814, 1845872), (13783, 1582176), (15036, 1450328), (15752, 1384404), (16481, 1323168), (17184, 1269037), (20048, 1087746), (23628, 922936), (27566, 791088), (30072, 725164), (31504, 692202), (32962, 661584), (40096, 543873), (41349, 527392), (47256, 461468), (49443, 441056), (55132, 395544), (60144, 362582), (63008, 346101), (65924, 330792), (82698, 263696), (94512, 230734), (98886, 220528), (110264, 197772), (115367, 189024), (120288, 181291), (131848, 165396)]