21082656

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 63987840

約数和(自身を除く): 42905184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 137, 168, 224, 229, 274, 336, 411, 458, 548, 672, 687, 822, 916, 959, 1096, 1374, 1603, 1644, 1832, 1918, 2192, 2748, 2877, 3206, 3288, 3664, 3836, 4384, 4809, 5496, 5754, 6412, 6576, 7328, 7672, 9618, 10992, 11508, 12824, 13152, 15344, 19236, 21984, 23016, 25648, 30688, 31373, 38472, 46032, 51296, 62746, 76944, 92064, 94119, 125492, 153888, 188238, 219611, 250984, 376476, 439222, 501968, 658833, 752952, 878444, 1003936, 1317666, 1505904, 1756888, 2635332, 3011808, 3513776, 5270664, 7027552, 10541328, 21082656]

約数ペア:

[(1, 21082656), (2, 10541328), (3, 7027552), (4, 5270664), (6, 3513776), (7, 3011808), (8, 2635332), (12, 1756888), (14, 1505904), (16, 1317666), (21, 1003936), (24, 878444), (28, 752952), (32, 658833), (42, 501968), (48, 439222), (56, 376476), (84, 250984), (96, 219611), (112, 188238), (137, 153888), (168, 125492), (224, 94119), (229, 92064), (274, 76944), (336, 62746), (411, 51296), (458, 46032), (548, 38472), (672, 31373), (687, 30688), (822, 25648), (916, 23016), (959, 21984), (1096, 19236), (1374, 15344), (1603, 13152), (1644, 12824), (1832, 11508), (1918, 10992), (2192, 9618), (2748, 7672), (2877, 7328), (3206, 6576), (3288, 6412), (3664, 5754), (3836, 5496), (4384, 4809)]