21439894

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5651}}^1$

素因数の和:5931

約数の個数: 16

約数和(自身を含む): 36896256

約数和(自身を除く): 15456362

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 5651, 11302, 39557, 79114, 1531421, 3062842, 10719947, 21439894]

約数ペア:

[(1, 21439894), (2, 10719947), (7, 3062842), (14, 1531421), (271, 79114), (542, 39557), (1897, 11302), (3794, 5651)]