21107328

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 43519872

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 64, 66, 76, 88, 96, 114, 128, 132, 152, 176, 192, 209, 228, 263, 264, 304, 352, 384, 418, 456, 526, 528, 608, 627, 704, 789, 836, 912, 1052, 1056, 1216, 1254, 1408, 1578, 1672, 1824, 2104, 2112, 2432, 2508, 2893, 3156, 3344, 3648, 4208, 4224, 4997, 5016, 5786, 6312, 6688, 7296, 8416, 8679, 9994, 10032, 11572, 12624, 13376, 14991, 16832, 17358, 19988, 20064, 23144, 25248, 26752, 29982, 33664, 34716, 39976, 40128, 46288, 50496, 54967, 59964, 69432, 79952, 80256, 92576, 100992, 109934, 119928, 138864, 159904, 164901, 185152, 219868, 239856, 277728, 319808, 329802, 370304, 439736, 479712, 555456, 639616, 659604, 879472, 959424, 1110912, 1319208, 1758944, 1918848, 2638416, 3517888, 5276832, 7035776, 10553664, 21107328]

約数ペア:

[(1, 21107328), (2, 10553664), (3, 7035776), (4, 5276832), (6, 3517888), (8, 2638416), (11, 1918848), (12, 1758944), (16, 1319208), (19, 1110912), (22, 959424), (24, 879472), (32, 659604), (33, 639616), (38, 555456), (44, 479712), (48, 439736), (57, 370304), (64, 329802), (66, 319808), (76, 277728), (88, 239856), (96, 219868), (114, 185152), (128, 164901), (132, 159904), (152, 138864), (176, 119928), (192, 109934), (209, 100992), (228, 92576), (263, 80256), (264, 79952), (304, 69432), (352, 59964), (384, 54967), (418, 50496), (456, 46288), (526, 40128), (528, 39976), (608, 34716), (627, 33664), (704, 29982), (789, 26752), (836, 25248), (912, 23144), (1052, 20064), (1056, 19988), (1216, 17358), (1254, 16832), (1408, 14991), (1578, 13376), (1672, 12624), (1824, 11572), (2104, 10032), (2112, 9994), (2432, 8679), (2508, 8416), (2893, 7296), (3156, 6688), (3344, 6312), (3648, 5786), (4208, 5016), (4224, 4997)]