21493388

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4241}}^1$

素因数の和:4433

約数の個数: 24

約数和(自身を含む): 43234464

約数和(自身を除く): 21741076

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 4241, 5068, 8482, 16964, 29687, 59374, 118748, 767621, 1535242, 3070484, 5373347, 10746694, 21493388]

約数ペア:

[(1, 21493388), (2, 10746694), (4, 5373347), (7, 3070484), (14, 1535242), (28, 767621), (181, 118748), (362, 59374), (724, 29687), (1267, 16964), (2534, 8482), (4241, 5068)]