21785522304

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:118

約数の個数: 768

約数和(自身を含む): 79702963200

約数和(自身を除く): 57917440896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 31, 32, 34, 39, 42, 48, 49, 51, 52, 56, 62, 64, 68, 78, 84, 91, 93, 96, 98, 102, 104, 112, 119, 124, 128, 136, 147, 156, 168, 169, 182, 186, 192, 196, 204, 208, 217, 221, 224, 238, 248, 272, 273, 294, 312, 336, 338, 357, 364, 372, 384, 392, 403, 408, 416, 434, 442, 448, 476, 496, 507, 527, 544, 546, 588, 624, 637, 651, 663, 672, 676, 714, 728, 744, 784, 806, 816, 832, 833, 868, 884, 896, 952, 992, 1014, 1054, 1088, 1092, 1176, 1183, 1209, 1248, 1274, 1302, 1326, 1344, 1352, 1428, 1456, 1488, 1519, 1547, 1568, 1581, 1612, 1632, 1664, 1666, 1736, 1768, 1904, 1911, 1984, 2028, 2108, 2176, 2184, 2197, 2352, 2366, 2418, 2496, 2499, 2548, 2604, 2652, 2688, 2704, 2821, 2856, 2873, 2912, 2976, 3038, 3094, 3136, 3162, 3224, 3264, 3332, 3472, 3536, 3549, 3689, 3808, 3822, 3968, 4056, 4216, 4368, 4394, 4557, 4641, 4704, 4732, 4836, 4992, 4998, 5096, 5208, 5239, 5304, 5408, 5642, 5712, 5746, 5824, 5952, 6076, 6188, 6272, 6324, 6448, 6528, 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約数ペア:

[(1, 21785522304), (2, 10892761152), (3, 7261840768), (4, 5446380576), (6, 3630920384), (7, 3112217472), (8, 2723190288), (12, 1815460192), (13, 1675809408), (14, 1556108736), (16, 1361595144), (17, 1281501312), (21, 1037405824), (24, 907730096), (26, 837904704), (28, 778054368), (31, 702758784), (32, 680797572), (34, 640750656), (39, 558603136), (42, 518702912), (48, 453865048), (49, 444602496), (51, 427167104), (52, 418952352), (56, 389027184), (62, 351379392), (64, 340398786), (68, 320375328), (78, 279301568), (84, 259351456), (91, 239401344), (93, 234252928), (96, 226932524), (98, 222301248), (102, 213583552), (104, 209476176), (112, 194513592), (119, 183071616), (124, 175689696), (128, 170199393), (136, 160187664), (147, 148200832), (156, 139650784), (168, 129675728), (169, 128908416), (182, 119700672), (186, 117126464), (192, 113466262), (196, 111150624), (204, 106791776), (208, 104738088), (217, 100394112), (221, 98577024), (224, 97256796), (238, 91535808), (248, 87844848), 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