21839048

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{293}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 51649920

約数和(自身を除く): 29810872

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 293, 308, 484, 586, 616, 847, 968, 1172, 1331, 1694, 2051, 2344, 2662, 3223, 3388, 4102, 5324, 6446, 6776, 8204, 9317, 10648, 12892, 16408, 18634, 22561, 25784, 35453, 37268, 45122, 70906, 74536, 90244, 141812, 180488, 248171, 283624, 389983, 496342, 779966, 992684, 1559932, 1985368, 2729881, 3119864, 5459762, 10919524, 21839048]

約数ペア:

[(1, 21839048), (2, 10919524), (4, 5459762), (7, 3119864), (8, 2729881), (11, 1985368), (14, 1559932), (22, 992684), (28, 779966), (44, 496342), (56, 389983), (77, 283624), (88, 248171), (121, 180488), (154, 141812), (242, 90244), (293, 74536), (308, 70906), (484, 45122), (586, 37268), (616, 35453), (847, 25784), (968, 22561), (1172, 18634), (1331, 16408), (1694, 12892), (2051, 10648), (2344, 9317), (2662, 8204), (3223, 6776), (3388, 6446), (4102, 5324)]