21509936

素因数分解:

$2^4\times 7^1\times {\mathrm{192053}}^1$

素因数の和:192068

約数の個数: 20

約数和(自身を含む): 47629392

約数和(自身を除く): 26119456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192053, 384106, 768212, 1344371, 1536424, 2688742, 3072848, 5377484, 10754968, 21509936]

約数ペア:

[(1, 21509936), (2, 10754968), (4, 5377484), (7, 3072848), (8, 2688742), (14, 1536424), (16, 1344371), (28, 768212), (56, 384106), (112, 192053)]