21541394

素因数分解:

$2^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{5437}}^1$

素因数の和:5729

約数の個数: 16

約数和(自身を含む): 37065408

約数和(自身を除く): 15524014

約数列:

[1, 2, 7, 14, 283, 566, 1981, 3962, 5437, 10874, 38059, 76118, 1538671, 3077342, 10770697, 21541394]

約数ペア:

[(1, 21541394), (2, 10770697), (7, 3077342), (14, 1538671), (283, 76118), (566, 38059), (1981, 10874), (3962, 5437)]