21886176

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 66407040

約数和(自身を除く): 44520864

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 71, 76, 78, 96, 104, 114, 142, 152, 156, 169, 208, 213, 228, 247, 284, 304, 312, 338, 416, 426, 456, 494, 507, 568, 608, 624, 676, 741, 852, 912, 923, 988, 1014, 1136, 1248, 1349, 1352, 1482, 1704, 1824, 1846, 1976, 2028, 2272, 2698, 2704, 2769, 2964, 3211, 3408, 3692, 3952, 4047, 4056, 5396, 5408, 5538, 5928, 6422, 6816, 7384, 7904, 8094, 8112, 9633, 10792, 11076, 11856, 11999, 12844, 14768, 16188, 16224, 17537, 19266, 21584, 22152, 23712, 23998, 25688, 29536, 32376, 35074, 35997, 38532, 43168, 44304, 47996, 51376, 52611, 64752, 70148, 71994, 77064, 88608, 95992, 102752, 105222, 129504, 140296, 143988, 154128, 191984, 210444, 227981, 280592, 287976, 308256, 383968, 420888, 455962, 561184, 575952, 683943, 841776, 911924, 1151904, 1367886, 1683552, 1823848, 2735772, 3647696, 5471544, 7295392, 10943088, 21886176]

約数ペア:

[(1, 21886176), (2, 10943088), (3, 7295392), (4, 5471544), (6, 3647696), (8, 2735772), (12, 1823848), (13, 1683552), (16, 1367886), (19, 1151904), (24, 911924), (26, 841776), (32, 683943), (38, 575952), (39, 561184), (48, 455962), (52, 420888), (57, 383968), (71, 308256), (76, 287976), (78, 280592), (96, 227981), (104, 210444), (114, 191984), (142, 154128), (152, 143988), (156, 140296), (169, 129504), (208, 105222), (213, 102752), (228, 95992), (247, 88608), (284, 77064), (304, 71994), (312, 70148), (338, 64752), (416, 52611), (426, 51376), (456, 47996), (494, 44304), (507, 43168), (568, 38532), (608, 35997), (624, 35074), (676, 32376), (741, 29536), (852, 25688), (912, 23998), (923, 23712), (988, 22152), (1014, 21584), (1136, 19266), (1248, 17537), (1349, 16224), (1352, 16188), (1482, 14768), (1704, 12844), (1824, 11999), (1846, 11856), (1976, 11076), (2028, 10792), (2272, 9633), (2698, 8112), (2704, 8094), (2769, 7904), (2964, 7384), (3211, 6816), (3408, 6422), (3692, 5928), (3952, 5538), (4047, 5408), (4056, 5396)]