21281581008

素因数分解:

$2^4\times 3^4\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:927

約数の個数: 200

約数和(自身を含む): 62455050240

約数和(自身を除く): 41173469232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 127, 144, 162, 216, 239, 254, 324, 381, 432, 478, 508, 541, 648, 717, 762, 956, 1016, 1082, 1143, 1296, 1434, 1524, 1623, 1912, 2032, 2151, 2164, 2286, 2868, 3048, 3246, 3429, 3824, 4302, 4328, 4572, 4869, 5736, 6096, 6453, 6492, 6858, 8604, 8656, 9144, 9738, 10287, 11472, 12906, 12984, 13716, 14607, 17208, 18288, 19359, 19476, 20574, 25812, 25968, 27432, 29214, 30353, 34416, 38718, 38952, 41148, 43821, 51624, 54864, 58428, 60706, 68707, 77436, 77904, 82296, 87642, 91059, 103248, 116856, 121412, 129299, 137414, 154872, 164592, 175284, 182118, 206121, 233712, 242824, 258598, 273177, 274828, 309744, 350568, 364236, 387897, 412242, 485648, 517196, 546354, 549656, 618363, 701136, 728472, 775794, 819531, 824484, 1034392, 1092708, 1099312, 1163691, 1236726, 1456944, 1551588, 1639062, 1648968, 1855089, 2068784, 2185416, 2327382, 2458593, 2473452, 3103176, 3278124, 3297936, 3491073, 3710178, 4370832, 4654764, 4917186, 4946904, 5565267, 6206352, 6556248, 6982146, 7420356, 9309528, 9834372, 9893808, 10473219, 11130534, 13112496, 13964292, 14840712, 16420973, 18619056, 19668744, 20946438, 22261068, 27928584, 29681424, 32841946, 39337488, 41892876, 44522136, 49262919, 55857168, 65683892, 83785752, 89044272, 98525838, 131367784, 147788757, 167571504, 197051676, 262735568, 295577514, 394103352, 443366271, 591155028, 788206704, 886732542, 1182310056, 1330098813, 1773465084, 2364620112, 2660197626, 3546930168, 5320395252, 7093860336, 10640790504, 21281581008]

約数ペア:

[(1, 21281581008), (2, 10640790504), (3, 7093860336), (4, 5320395252), (6, 3546930168), (8, 2660197626), (9, 2364620112), (12, 1773465084), (16, 1330098813), (18, 1182310056), (24, 886732542), (27, 788206704), (36, 591155028), (48, 443366271), (54, 394103352), (72, 295577514), (81, 262735568), (108, 197051676), (127, 167571504), (144, 147788757), (162, 131367784), (216, 98525838), (239, 89044272), (254, 83785752), (324, 65683892), (381, 55857168), (432, 49262919), (478, 44522136), (508, 41892876), (541, 39337488), (648, 32841946), (717, 29681424), (762, 27928584), (956, 22261068), (1016, 20946438), (1082, 19668744), (1143, 18619056), (1296, 16420973), (1434, 14840712), (1524, 13964292), (1623, 13112496), (1912, 11130534), (2032, 10473219), (2151, 9893808), (2164, 9834372), (2286, 9309528), (2868, 7420356), (3048, 6982146), (3246, 6556248), (3429, 6206352), (3824, 5565267), (4302, 4946904), (4328, 4917186), (4572, 4654764), (4869, 4370832), (5736, 3710178), (6096, 3491073), (6453, 3297936), (6492, 3278124), (6858, 3103176), (8604, 2473452), (8656, 2458593), (9144, 2327382), (9738, 2185416), (10287, 2068784), (11472, 1855089), (12906, 1648968), (12984, 1639062), (13716, 1551588), (14607, 1456944), (17208, 1236726), (18288, 1163691), (19359, 1099312), (19476, 1092708), (20574, 1034392), (25812, 824484), (25968, 819531), (27432, 775794), (29214, 728472), (30353, 701136), (34416, 618363), (38718, 549656), (38952, 546354), (41148, 517196), (43821, 485648), (51624, 412242), (54864, 387897), (58428, 364236), (60706, 350568), (68707, 309744), (77436, 274828), (77904, 273177), (82296, 258598), (87642, 242824), (91059, 233712), (103248, 206121), (116856, 182118), (121412, 175284), (129299, 164592), (137414, 154872)]