21807744

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 192

約数和(自身を含む): 72093600

約数和(自身を除く): 50285856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 61, 64, 76, 84, 96, 98, 112, 114, 122, 128, 133, 147, 152, 168, 183, 192, 196, 224, 228, 244, 266, 294, 304, 336, 366, 384, 392, 399, 427, 448, 456, 488, 532, 588, 608, 672, 732, 784, 798, 854, 896, 912, 931, 976, 1064, 1159, 1176, 1216, 1281, 1344, 1464, 1568, 1596, 1708, 1824, 1862, 1952, 2128, 2318, 2352, 2432, 2562, 2688, 2793, 2928, 2989, 3136, 3192, 3416, 3477, 3648, 3724, 3904, 4256, 4636, 4704, 5124, 5586, 5856, 5978, 6272, 6384, 6832, 6954, 7296, 7448, 7808, 8113, 8512, 8967, 9272, 9408, 10248, 11172, 11712, 11956, 12768, 13664, 13908, 14896, 16226, 17024, 17934, 18544, 18816, 20496, 22344, 23424, 23912, 24339, 25536, 27328, 27816, 29792, 32452, 35868, 37088, 40992, 44688, 47824, 48678, 51072, 54656, 55632, 56791, 59584, 64904, 71736, 74176, 81984, 89376, 95648, 97356, 111264, 113582, 119168, 129808, 143472, 148352, 163968, 170373, 178752, 191296, 194712, 222528, 227164, 259616, 286944, 340746, 357504, 382592, 389424, 445056, 454328, 519232, 573888, 681492, 778848, 908656, 1038464, 1147776, 1362984, 1557696, 1817312, 2725968, 3115392, 3634624, 5451936, 7269248, 10903872, 21807744]

約数ペア:

[(1, 21807744), (2, 10903872), (3, 7269248), (4, 5451936), (6, 3634624), (7, 3115392), (8, 2725968), (12, 1817312), (14, 1557696), (16, 1362984), (19, 1147776), (21, 1038464), (24, 908656), (28, 778848), (32, 681492), (38, 573888), (42, 519232), (48, 454328), (49, 445056), (56, 389424), (57, 382592), (61, 357504), (64, 340746), (76, 286944), (84, 259616), (96, 227164), (98, 222528), (112, 194712), (114, 191296), (122, 178752), (128, 170373), (133, 163968), (147, 148352), (152, 143472), (168, 129808), (183, 119168), (192, 113582), (196, 111264), (224, 97356), (228, 95648), (244, 89376), (266, 81984), (294, 74176), (304, 71736), (336, 64904), (366, 59584), (384, 56791), (392, 55632), (399, 54656), (427, 51072), (448, 48678), (456, 47824), (488, 44688), (532, 40992), (588, 37088), (608, 35868), (672, 32452), (732, 29792), (784, 27816), (798, 27328), (854, 25536), (896, 24339), (912, 23912), (931, 23424), (976, 22344), (1064, 20496), (1159, 18816), (1176, 18544), (1216, 17934), (1281, 17024), (1344, 16226), (1464, 14896), (1568, 13908), (1596, 13664), (1708, 12768), (1824, 11956), (1862, 11712), (1952, 11172), (2128, 10248), (2318, 9408), (2352, 9272), (2432, 8967), (2562, 8512), (2688, 8113), (2793, 7808), (2928, 7448), (2989, 7296), (3136, 6954), (3192, 6832), (3416, 6384), (3477, 6272), (3648, 5978), (3724, 5856), (3904, 5586), (4256, 5124), (4636, 4704)]