21649712

素因数分解:

$2^4\times 7^1\times {\mathrm{193301}}^1$

素因数の和:193316

約数の個数: 20

約数和(自身を含む): 47938896

約数和(自身を除く): 26289184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193301, 386602, 773204, 1353107, 1546408, 2706214, 3092816, 5412428, 10824856, 21649712]

約数ペア:

[(1, 21649712), (2, 10824856), (4, 5412428), (7, 3092816), (8, 2706214), (14, 1546408), (16, 1353107), (28, 773204), (56, 386602), (112, 193301)]