21044856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{347}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 63642240

約数和(自身を除く): 42597384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 347, 361, 399, 456, 532, 694, 722, 798, 1041, 1064, 1083, 1388, 1444, 1596, 2082, 2166, 2429, 2527, 2776, 2888, 3192, 4164, 4332, 4858, 5054, 6593, 7287, 7581, 8328, 8664, 9716, 10108, 13186, 14574, 15162, 19432, 19779, 20216, 26372, 29148, 30324, 39558, 46151, 52744, 58296, 60648, 79116, 92302, 125267, 138453, 158232, 184604, 250534, 276906, 369208, 375801, 501068, 553812, 751602, 876869, 1002136, 1107624, 1503204, 1753738, 2630607, 3006408, 3507476, 5261214, 7014952, 10522428, 21044856]

約数ペア:

[(1, 21044856), (2, 10522428), (3, 7014952), (4, 5261214), (6, 3507476), (7, 3006408), (8, 2630607), (12, 1753738), (14, 1503204), (19, 1107624), (21, 1002136), (24, 876869), (28, 751602), (38, 553812), (42, 501068), (56, 375801), (57, 369208), (76, 276906), (84, 250534), (114, 184604), (133, 158232), (152, 138453), (168, 125267), (228, 92302), (266, 79116), (347, 60648), (361, 58296), (399, 52744), (456, 46151), (532, 39558), (694, 30324), (722, 29148), (798, 26372), (1041, 20216), (1064, 19779), (1083, 19432), (1388, 15162), (1444, 14574), (1596, 13186), (2082, 10108), (2166, 9716), (2429, 8664), (2527, 8328), (2776, 7581), (2888, 7287), (3192, 6593), (4164, 5054), (4332, 4858)]