21398832

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 77995008

約数和(自身を除く): 56596176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 23, 24, 26, 28, 36, 39, 42, 46, 48, 52, 56, 63, 69, 71, 72, 78, 84, 91, 92, 104, 112, 117, 126, 138, 142, 144, 156, 161, 168, 182, 184, 207, 208, 213, 234, 252, 273, 276, 284, 299, 312, 322, 336, 364, 368, 414, 426, 468, 483, 497, 504, 546, 552, 568, 598, 624, 639, 644, 728, 819, 828, 852, 897, 923, 936, 966, 994, 1008, 1092, 1104, 1136, 1196, 1278, 1288, 1449, 1456, 1491, 1633, 1638, 1656, 1704, 1794, 1846, 1872, 1932, 1988, 2093, 2184, 2392, 2556, 2576, 2691, 2769, 2898, 2982, 3266, 3276, 3312, 3408, 3588, 3692, 3864, 3976, 4186, 4368, 4473, 4784, 4899, 5112, 5382, 5538, 5796, 5964, 6279, 6461, 6532, 6552, 7176, 7384, 7728, 7952, 8307, 8372, 8946, 9798, 10224, 10764, 11076, 11431, 11592, 11928, 12558, 12922, 13064, 13104, 14352, 14697, 14768, 16614, 16744, 17892, 18837, 19383, 19596, 21229, 21528, 22152, 22862, 23184, 23856, 25116, 25844, 26128, 29394, 33228, 33488, 34293, 35784, 37674, 38766, 39192, 42458, 43056, 44304, 45724, 50232, 51688, 58149, 58788, 63687, 66456, 68586, 71568, 75348, 77532, 78384, 84916, 91448, 100464, 102879, 103376, 116298, 117576, 127374, 132912, 137172, 148603, 150696, 155064, 169832, 182896, 191061, 205758, 232596, 235152, 254748, 274344, 297206, 301392, 310128, 339664, 382122, 411516, 445809, 465192, 509496, 548688, 594412, 764244, 823032, 891618, 930384, 1018992, 1188824, 1337427, 1528488, 1646064, 1783236, 2377648, 2674854, 3056976, 3566472, 5349708, 7132944, 10699416, 21398832]

約数ペア:

[(1, 21398832), (2, 10699416), (3, 7132944), (4, 5349708), (6, 3566472), (7, 3056976), (8, 2674854), (9, 2377648), (12, 1783236), (13, 1646064), (14, 1528488), (16, 1337427), (18, 1188824), (21, 1018992), (23, 930384), (24, 891618), (26, 823032), (28, 764244), (36, 594412), (39, 548688), (42, 509496), (46, 465192), (48, 445809), (52, 411516), (56, 382122), (63, 339664), (69, 310128), (71, 301392), (72, 297206), (78, 274344), (84, 254748), (91, 235152), (92, 232596), (104, 205758), (112, 191061), (117, 182896), (126, 169832), (138, 155064), (142, 150696), (144, 148603), (156, 137172), (161, 132912), (168, 127374), (182, 117576), (184, 116298), (207, 103376), (208, 102879), (213, 100464), (234, 91448), (252, 84916), (273, 78384), (276, 77532), (284, 75348), (299, 71568), (312, 68586), (322, 66456), (336, 63687), (364, 58788), (368, 58149), (414, 51688), (426, 50232), (468, 45724), (483, 44304), (497, 43056), (504, 42458), (546, 39192), (552, 38766), (568, 37674), (598, 35784), (624, 34293), (639, 33488), (644, 33228), (728, 29394), (819, 26128), (828, 25844), (852, 25116), (897, 23856), (923, 23184), (936, 22862), (966, 22152), (994, 21528), (1008, 21229), (1092, 19596), (1104, 19383), (1136, 18837), (1196, 17892), (1278, 16744), (1288, 16614), (1449, 14768), (1456, 14697), (1491, 14352), (1633, 13104), (1638, 13064), (1656, 12922), (1704, 12558), (1794, 11928), (1846, 11592), (1872, 11431), (1932, 11076), (1988, 10764), (2093, 10224), (2184, 9798), (2392, 8946), (2556, 8372), (2576, 8307), (2691, 7952), (2769, 7728), (2898, 7384), (2982, 7176), (3266, 6552), (3276, 6532), (3312, 6461), (3408, 6279), (3588, 5964), (3692, 5796), (3864, 5538), (3976, 5382), (4186, 5112), (4368, 4899), (4473, 4784)]