21088704

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 224

約数和(自身を含む): 73737216

約数和(自身を除く): 52648512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 32, 34, 39, 42, 48, 51, 52, 56, 64, 68, 71, 78, 84, 91, 96, 102, 104, 112, 119, 136, 142, 156, 168, 182, 192, 204, 208, 213, 221, 224, 238, 272, 273, 284, 312, 336, 357, 364, 408, 416, 426, 442, 448, 476, 497, 544, 546, 568, 624, 663, 672, 714, 728, 816, 832, 852, 884, 923, 952, 994, 1088, 1092, 1136, 1207, 1248, 1326, 1344, 1428, 1456, 1491, 1547, 1632, 1704, 1768, 1846, 1904, 1988, 2184, 2272, 2414, 2496, 2652, 2769, 2856, 2912, 2982, 3094, 3264, 3408, 3536, 3621, 3692, 3808, 3976, 4368, 4544, 4641, 4828, 5304, 5538, 5712, 5824, 5964, 6188, 6461, 6816, 7072, 7242, 7384, 7616, 7952, 8449, 8736, 9282, 9656, 10608, 11076, 11424, 11928, 12376, 12922, 13632, 14144, 14484, 14768, 15691, 15904, 16898, 17472, 18564, 19312, 19383, 21216, 22152, 22848, 23856, 24752, 25347, 25844, 28968, 29536, 31382, 31808, 33796, 37128, 38624, 38766, 42432, 44304, 47073, 47712, 49504, 50694, 51688, 57936, 59072, 62764, 67592, 74256, 77248, 77532, 88608, 94146, 95424, 99008, 101388, 103376, 109837, 115872, 125528, 135184, 148512, 155064, 177216, 188292, 202776, 206752, 219674, 231744, 251056, 270368, 297024, 310128, 329511, 376584, 405552, 413504, 439348, 502112, 540736, 620256, 659022, 753168, 811104, 878696, 1004224, 1240512, 1318044, 1506336, 1622208, 1757392, 2636088, 3012672, 3514784, 5272176, 7029568, 10544352, 21088704]

約数ペア:

[(1, 21088704), (2, 10544352), (3, 7029568), (4, 5272176), (6, 3514784), (7, 3012672), (8, 2636088), (12, 1757392), (13, 1622208), (14, 1506336), (16, 1318044), (17, 1240512), (21, 1004224), (24, 878696), (26, 811104), (28, 753168), (32, 659022), (34, 620256), (39, 540736), (42, 502112), (48, 439348), (51, 413504), (52, 405552), (56, 376584), (64, 329511), (68, 310128), (71, 297024), (78, 270368), (84, 251056), (91, 231744), (96, 219674), (102, 206752), (104, 202776), (112, 188292), (119, 177216), (136, 155064), (142, 148512), (156, 135184), (168, 125528), (182, 115872), (192, 109837), (204, 103376), (208, 101388), (213, 99008), (221, 95424), (224, 94146), (238, 88608), (272, 77532), (273, 77248), (284, 74256), (312, 67592), (336, 62764), (357, 59072), (364, 57936), (408, 51688), (416, 50694), (426, 49504), (442, 47712), (448, 47073), (476, 44304), (497, 42432), (544, 38766), (546, 38624), (568, 37128), (624, 33796), (663, 31808), (672, 31382), (714, 29536), (728, 28968), (816, 25844), (832, 25347), (852, 24752), (884, 23856), (923, 22848), (952, 22152), (994, 21216), (1088, 19383), (1092, 19312), (1136, 18564), (1207, 17472), (1248, 16898), (1326, 15904), (1344, 15691), (1428, 14768), (1456, 14484), (1491, 14144), (1547, 13632), (1632, 12922), (1704, 12376), (1768, 11928), (1846, 11424), (1904, 11076), (1988, 10608), (2184, 9656), (2272, 9282), (2414, 8736), (2496, 8449), (2652, 7952), (2769, 7616), (2856, 7384), (2912, 7242), (2982, 7072), (3094, 6816), (3264, 6461), (3408, 6188), (3536, 5964), (3621, 5824), (3692, 5712), (3808, 5538), (3976, 5304), (4368, 4828), (4544, 4641)]