21628992

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 252

約数和(自身を含む): 77022960

約数和(自身を除く): 55393968

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 32, 33, 38, 42, 44, 48, 49, 56, 57, 64, 66, 76, 77, 84, 88, 96, 98, 112, 114, 121, 132, 133, 147, 152, 154, 168, 176, 192, 196, 209, 224, 228, 231, 242, 264, 266, 294, 304, 308, 336, 352, 363, 392, 399, 418, 448, 456, 462, 484, 528, 532, 539, 588, 608, 616, 627, 672, 704, 726, 784, 798, 836, 847, 912, 924, 931, 968, 1056, 1064, 1078, 1176, 1216, 1232, 1254, 1344, 1452, 1463, 1568, 1596, 1617, 1672, 1694, 1824, 1848, 1862, 1936, 2112, 2128, 2156, 2299, 2352, 2464, 2508, 2541, 2793, 2904, 2926, 3136, 3192, 3234, 3344, 3388, 3648, 3696, 3724, 3872, 4256, 4312, 4389, 4598, 4704, 4928, 5016, 5082, 5586, 5808, 5852, 5929, 6384, 6468, 6688, 6776, 6897, 7392, 7448, 7744, 8512, 8624, 8778, 9196, 9408, 10032, 10164, 10241, 11172, 11616, 11704, 11858, 12768, 12936, 13376, 13552, 13794, 14784, 14896, 16093, 17248, 17556, 17787, 18392, 20064, 20328, 20482, 22344, 23232, 23408, 23716, 25536, 25872, 27104, 27588, 29792, 30723, 32186, 34496, 35112, 35574, 36784, 40128, 40656, 40964, 44688, 46816, 47432, 48279, 51744, 54208, 55176, 59584, 61446, 64372, 70224, 71148, 73568, 81312, 81928, 89376, 93632, 94864, 96558, 103488, 110352, 112651, 122892, 128744, 140448, 142296, 147136, 162624, 163856, 178752, 189728, 193116, 220704, 225302, 245784, 257488, 280896, 284592, 327712, 337953, 379456, 386232, 441408, 450604, 491568, 514976, 569184, 655424, 675906, 772464, 901208, 983136, 1029952, 1138368, 1351812, 1544928, 1802416, 1966272, 2703624, 3089856, 3604832, 5407248, 7209664, 10814496, 21628992]

約数ペア:

[(1, 21628992), (2, 10814496), (3, 7209664), (4, 5407248), (6, 3604832), (7, 3089856), (8, 2703624), (11, 1966272), (12, 1802416), (14, 1544928), (16, 1351812), (19, 1138368), (21, 1029952), (22, 983136), (24, 901208), (28, 772464), (32, 675906), (33, 655424), (38, 569184), (42, 514976), (44, 491568), (48, 450604), (49, 441408), (56, 386232), (57, 379456), (64, 337953), (66, 327712), (76, 284592), (77, 280896), (84, 257488), (88, 245784), (96, 225302), (98, 220704), (112, 193116), (114, 189728), (121, 178752), (132, 163856), (133, 162624), (147, 147136), (152, 142296), (154, 140448), (168, 128744), (176, 122892), (192, 112651), (196, 110352), (209, 103488), (224, 96558), (228, 94864), (231, 93632), (242, 89376), (264, 81928), (266, 81312), (294, 73568), (304, 71148), (308, 70224), (336, 64372), (352, 61446), (363, 59584), (392, 55176), (399, 54208), (418, 51744), (448, 48279), (456, 47432), (462, 46816), (484, 44688), (528, 40964), (532, 40656), (539, 40128), (588, 36784), (608, 35574), (616, 35112), (627, 34496), (672, 32186), (704, 30723), (726, 29792), (784, 27588), (798, 27104), (836, 25872), (847, 25536), (912, 23716), (924, 23408), (931, 23232), (968, 22344), (1056, 20482), (1064, 20328), (1078, 20064), (1176, 18392), (1216, 17787), (1232, 17556), (1254, 17248), (1344, 16093), (1452, 14896), (1463, 14784), (1568, 13794), (1596, 13552), (1617, 13376), (1672, 12936), (1694, 12768), (1824, 11858), (1848, 11704), (1862, 11616), (1936, 11172), (2112, 10241), (2128, 10164), (2156, 10032), (2299, 9408), (2352, 9196), (2464, 8778), (2508, 8624), (2541, 8512), (2793, 7744), (2904, 7448), (2926, 7392), (3136, 6897), (3192, 6776), (3234, 6688), (3344, 6468), (3388, 6384), (3648, 5929), (3696, 5852), (3724, 5808), (3872, 5586), (4256, 5082), (4312, 5016), (4389, 4928), (4598, 4704)]