21298952

素因数分解:

$2^3\times {\mathrm{757}}^1\times {\mathrm{3517}}^1$

素因数の和:4280

約数の個数: 16

約数和(自身を含む): 39999660

約数和(自身を除く): 18700708

約数列:

[1, 2, 4, 8, 757, 1514, 3028, 3517, 6056, 7034, 14068, 28136, 2662369, 5324738, 10649476, 21298952]

約数ペア:

[(1, 21298952), (2, 10649476), (4, 5324738), (8, 2662369), (757, 28136), (1514, 14068), (3028, 7034), (3517, 6056)]