21377664

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:279

約数の個数: 192

約数和(自身を含む): 77014080

約数和(自身を除く): 55636416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 126, 128, 132, 144, 154, 168, 176, 192, 198, 224, 231, 241, 252, 264, 288, 308, 336, 352, 384, 396, 448, 462, 482, 504, 528, 576, 616, 672, 693, 704, 723, 792, 896, 924, 964, 1008, 1056, 1152, 1232, 1344, 1386, 1408, 1446, 1584, 1687, 1848, 1928, 2016, 2112, 2169, 2464, 2651, 2688, 2772, 2892, 3168, 3374, 3696, 3856, 4032, 4224, 4338, 4928, 5061, 5302, 5544, 5784, 6336, 6748, 7392, 7712, 7953, 8064, 8676, 9856, 10122, 10604, 11088, 11568, 12672, 13496, 14784, 15183, 15424, 15906, 17352, 18557, 20244, 21208, 22176, 23136, 23859, 26992, 29568, 30366, 30848, 31812, 34704, 37114, 40488, 42416, 44352, 46272, 47718, 53984, 55671, 60732, 63624, 69408, 74228, 80976, 84832, 88704, 92544, 95436, 107968, 111342, 121464, 127248, 138816, 148456, 161952, 167013, 169664, 190872, 215936, 222684, 242928, 254496, 277632, 296912, 323904, 334026, 339328, 381744, 445368, 485856, 508992, 593824, 647808, 668052, 763488, 890736, 971712, 1017984, 1187648, 1336104, 1526976, 1781472, 1943424, 2375296, 2672208, 3053952, 3562944, 5344416, 7125888, 10688832, 21377664]

約数ペア:

[(1, 21377664), (2, 10688832), (3, 7125888), (4, 5344416), (6, 3562944), (7, 3053952), (8, 2672208), (9, 2375296), (11, 1943424), (12, 1781472), (14, 1526976), (16, 1336104), (18, 1187648), (21, 1017984), (22, 971712), (24, 890736), (28, 763488), (32, 668052), (33, 647808), (36, 593824), (42, 508992), (44, 485856), (48, 445368), (56, 381744), (63, 339328), (64, 334026), (66, 323904), (72, 296912), (77, 277632), (84, 254496), (88, 242928), (96, 222684), (99, 215936), (112, 190872), (126, 169664), (128, 167013), (132, 161952), (144, 148456), (154, 138816), (168, 127248), (176, 121464), (192, 111342), (198, 107968), (224, 95436), (231, 92544), (241, 88704), (252, 84832), (264, 80976), (288, 74228), (308, 69408), (336, 63624), (352, 60732), (384, 55671), (396, 53984), (448, 47718), (462, 46272), (482, 44352), (504, 42416), (528, 40488), (576, 37114), (616, 34704), (672, 31812), (693, 30848), (704, 30366), (723, 29568), (792, 26992), (896, 23859), (924, 23136), (964, 22176), (1008, 21208), (1056, 20244), (1152, 18557), (1232, 17352), (1344, 15906), (1386, 15424), (1408, 15183), (1446, 14784), (1584, 13496), (1687, 12672), (1848, 11568), (1928, 11088), (2016, 10604), (2112, 10122), (2169, 9856), (2464, 8676), (2651, 8064), (2688, 7953), (2772, 7712), (2892, 7392), (3168, 6748), (3374, 6336), (3696, 5784), (3856, 5544), (4032, 5302), (4224, 5061), (4338, 4928)]