21349842

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2179}}^1$

素因数の和:2278

約数の個数: 32

約数和(自身を含む): 45204480

約数和(自身を除く): 23854638

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 2179, 3266, 4358, 4899, 6537, 9798, 13074, 50117, 100234, 150351, 154709, 300702, 309418, 464127, 928254, 3558307, 7116614, 10674921, 21349842]

約数ペア:

[(1, 21349842), (2, 10674921), (3, 7116614), (6, 3558307), (23, 928254), (46, 464127), (69, 309418), (71, 300702), (138, 154709), (142, 150351), (213, 100234), (426, 50117), (1633, 13074), (2179, 9798), (3266, 6537), (4358, 4899)]