21250656

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 70447104

約数和(自身を除く): 49196448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 83, 84, 96, 112, 126, 127, 144, 166, 168, 224, 249, 252, 254, 288, 332, 336, 381, 498, 504, 508, 581, 664, 672, 747, 762, 889, 996, 1008, 1016, 1143, 1162, 1328, 1494, 1524, 1743, 1778, 1992, 2016, 2032, 2286, 2324, 2656, 2667, 2988, 3048, 3486, 3556, 3984, 4064, 4572, 4648, 5229, 5334, 5976, 6096, 6972, 7112, 7968, 8001, 9144, 9296, 10458, 10541, 10668, 11952, 12192, 13944, 14224, 16002, 18288, 18592, 20916, 21082, 21336, 23904, 27888, 28448, 31623, 32004, 36576, 41832, 42164, 42672, 55776, 63246, 64008, 73787, 83664, 84328, 85344, 94869, 126492, 128016, 147574, 167328, 168656, 189738, 221361, 252984, 256032, 295148, 337312, 379476, 442722, 505968, 590296, 664083, 758952, 885444, 1011936, 1180592, 1328166, 1517904, 1770888, 2361184, 2656332, 3035808, 3541776, 5312664, 7083552, 10625328, 21250656]

約数ペア:

[(1, 21250656), (2, 10625328), (3, 7083552), (4, 5312664), (6, 3541776), (7, 3035808), (8, 2656332), (9, 2361184), (12, 1770888), (14, 1517904), (16, 1328166), (18, 1180592), (21, 1011936), (24, 885444), (28, 758952), (32, 664083), (36, 590296), (42, 505968), (48, 442722), (56, 379476), (63, 337312), (72, 295148), (83, 256032), (84, 252984), (96, 221361), (112, 189738), (126, 168656), (127, 167328), (144, 147574), (166, 128016), (168, 126492), (224, 94869), (249, 85344), (252, 84328), (254, 83664), (288, 73787), (332, 64008), (336, 63246), (381, 55776), (498, 42672), (504, 42164), (508, 41832), (581, 36576), (664, 32004), (672, 31623), (747, 28448), (762, 27888), (889, 23904), (996, 21336), (1008, 21082), (1016, 20916), (1143, 18592), (1162, 18288), (1328, 16002), (1494, 14224), (1524, 13944), (1743, 12192), (1778, 11952), (1992, 10668), (2016, 10541), (2032, 10458), (2286, 9296), (2324, 9144), (2656, 8001), (2667, 7968), (2988, 7112), (3048, 6972), (3486, 6096), (3556, 5976), (3984, 5334), (4064, 5229), (4572, 4648)]