21702408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 70425600

約数和(自身を除く): 48723192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 494, 523, 532, 546, 728, 741, 798, 988, 1046, 1064, 1092, 1482, 1569, 1596, 1729, 1976, 2092, 2184, 2964, 3138, 3192, 3458, 3661, 4184, 5187, 5928, 6276, 6799, 6916, 7322, 9937, 10374, 10983, 12552, 13598, 13832, 14644, 19874, 20397, 20748, 21966, 27196, 29288, 29811, 39748, 40794, 41496, 43932, 47593, 54392, 59622, 69559, 79496, 81588, 87864, 95186, 119244, 129181, 139118, 142779, 163176, 190372, 208677, 238488, 258362, 278236, 285558, 380744, 387543, 417354, 516724, 556472, 571116, 775086, 834708, 904267, 1033448, 1142232, 1550172, 1669416, 1808534, 2712801, 3100344, 3617068, 5425602, 7234136, 10851204, 21702408]

約数ペア:

[(1, 21702408), (2, 10851204), (3, 7234136), (4, 5425602), (6, 3617068), (7, 3100344), (8, 2712801), (12, 1808534), (13, 1669416), (14, 1550172), (19, 1142232), (21, 1033448), (24, 904267), (26, 834708), (28, 775086), (38, 571116), (39, 556472), (42, 516724), (52, 417354), (56, 387543), (57, 380744), (76, 285558), (78, 278236), (84, 258362), (91, 238488), (104, 208677), (114, 190372), (133, 163176), (152, 142779), (156, 139118), (168, 129181), (182, 119244), (228, 95186), (247, 87864), (266, 81588), (273, 79496), (312, 69559), (364, 59622), (399, 54392), (456, 47593), (494, 43932), (523, 41496), (532, 40794), (546, 39748), (728, 29811), (741, 29288), (798, 27196), (988, 21966), (1046, 20748), (1064, 20397), (1092, 19874), (1482, 14644), (1569, 13832), (1596, 13598), (1729, 12552), (1976, 10983), (2092, 10374), (2184, 9937), (2964, 7322), (3138, 6916), (3192, 6799), (3458, 6276), (3661, 5928), (4184, 5187)]