21510456

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1381}}^1$

素因数の和:1460

約数の個数: 64

約数和(自身を含む): 59702400

約数和(自身を除く): 38191944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 59, 66, 88, 118, 132, 177, 236, 264, 354, 472, 649, 708, 1298, 1381, 1416, 1947, 2596, 2762, 3894, 4143, 5192, 5524, 7788, 8286, 11048, 15191, 15576, 16572, 30382, 33144, 45573, 60764, 81479, 91146, 121528, 162958, 182292, 244437, 325916, 364584, 488874, 651832, 896269, 977748, 1792538, 1955496, 2688807, 3585076, 5377614, 7170152, 10755228, 21510456]

約数ペア:

[(1, 21510456), (2, 10755228), (3, 7170152), (4, 5377614), (6, 3585076), (8, 2688807), (11, 1955496), (12, 1792538), (22, 977748), (24, 896269), (33, 651832), (44, 488874), (59, 364584), (66, 325916), (88, 244437), (118, 182292), (132, 162958), (177, 121528), (236, 91146), (264, 81479), (354, 60764), (472, 45573), (649, 33144), (708, 30382), (1298, 16572), (1381, 15576), (1416, 15191), (1947, 11048), (2596, 8286), (2762, 7788), (3894, 5524), (4143, 5192)]