21526834

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 38439936

約数和(自身を除く): 16913102

約数列:

[1, 2, 7, 14, 31, 62, 193, 217, 257, 386, 434, 514, 1351, 1799, 2702, 3598, 5983, 7967, 11966, 15934, 41881, 49601, 55769, 83762, 99202, 111538, 347207, 694414, 1537631, 3075262, 10763417, 21526834]

約数ペア:

[(1, 21526834), (2, 10763417), (7, 3075262), (14, 1537631), (31, 694414), (62, 347207), (193, 111538), (217, 99202), (257, 83762), (386, 55769), (434, 49601), (514, 41881), (1351, 15934), (1799, 11966), (2702, 7967), (3598, 5983)]