21965244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2399}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 59136000

約数和(自身を除く): 37170756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 2399, 3052, 4578, 4798, 7197, 9156, 9596, 14394, 16793, 28788, 33586, 50379, 67172, 100758, 201516, 261491, 522982, 784473, 1045964, 1568946, 1830437, 3137892, 3660874, 5491311, 7321748, 10982622, 21965244]

約数ペア:

[(1, 21965244), (2, 10982622), (3, 7321748), (4, 5491311), (6, 3660874), (7, 3137892), (12, 1830437), (14, 1568946), (21, 1045964), (28, 784473), (42, 522982), (84, 261491), (109, 201516), (218, 100758), (327, 67172), (436, 50379), (654, 33586), (763, 28788), (1308, 16793), (1526, 14394), (2289, 9596), (2399, 9156), (3052, 7197), (4578, 4798)]