21680568

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1$

素因数の和:1138

約数の個数: 128

約数和(自身を含む): 74188800

約数和(自身を除く): 52508232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1103, 1404, 1512, 1638, 2184, 2206, 2457, 2808, 3276, 3309, 4412, 4914, 6552, 6618, 7721, 8824, 9828, 9927, 13236, 14339, 15442, 19656, 19854, 23163, 26472, 28678, 29781, 30884, 39708, 43017, 46326, 57356, 59562, 61768, 69489, 79416, 86034, 92652, 100373, 114712, 119124, 129051, 138978, 172068, 185304, 200746, 208467, 238248, 258102, 277956, 301119, 344136, 387153, 401492, 416934, 516204, 555912, 602238, 774306, 802984, 833868, 903357, 1032408, 1204476, 1548612, 1667736, 1806714, 2408952, 2710071, 3097224, 3613428, 5420142, 7226856, 10840284, 21680568]

約数ペア:

[(1, 21680568), (2, 10840284), (3, 7226856), (4, 5420142), (6, 3613428), (7, 3097224), (8, 2710071), (9, 2408952), (12, 1806714), (13, 1667736), (14, 1548612), (18, 1204476), (21, 1032408), (24, 903357), (26, 833868), (27, 802984), (28, 774306), (36, 602238), (39, 555912), (42, 516204), (52, 416934), (54, 401492), (56, 387153), (63, 344136), (72, 301119), (78, 277956), (84, 258102), (91, 238248), (104, 208467), (108, 200746), (117, 185304), (126, 172068), (156, 138978), (168, 129051), (182, 119124), (189, 114712), (216, 100373), (234, 92652), (252, 86034), (273, 79416), (312, 69489), (351, 61768), (364, 59562), (378, 57356), (468, 46326), (504, 43017), (546, 39708), (702, 30884), (728, 29781), (756, 28678), (819, 26472), (936, 23163), (1092, 19854), (1103, 19656), (1404, 15442), (1512, 14339), (1638, 13236), (2184, 9927), (2206, 9828), (2457, 8824), (2808, 7721), (3276, 6618), (3309, 6552), (4412, 4914)]