21300272

素因数分解:

$2^4\times 7^1\times {\mathrm{190181}}^1$

素因数の和:190196

約数の個数: 20

約数和(自身を含む): 47165136

約数和(自身を除く): 25864864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190181, 380362, 760724, 1331267, 1521448, 2662534, 3042896, 5325068, 10650136, 21300272]

約数ペア:

[(1, 21300272), (2, 10650136), (4, 5325068), (7, 3042896), (8, 2662534), (14, 1521448), (16, 1331267), (28, 760724), (56, 380362), (112, 190181)]