21759514

素因数分解:

$2^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4903}}^1$

素因数の和:5229

約数の個数: 16

約数和(自身を含む): 37427328

約数和(自身を除く): 15667814

約数列:

[1, 2, 7, 14, 317, 634, 2219, 4438, 4903, 9806, 34321, 68642, 1554251, 3108502, 10879757, 21759514]

約数ペア:

[(1, 21759514), (2, 10879757), (7, 3108502), (14, 1554251), (317, 68642), (634, 34321), (2219, 9806), (4438, 4903)]