21119374

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{859}}^1$

素因数の和:1527

約数の個数: 16

約数和(自身を含む): 33436800

約数和(自身を除く): 12317426

約数列:

[1, 2, 19, 38, 647, 859, 1294, 1718, 12293, 16321, 24586, 32642, 555773, 1111546, 10559687, 21119374]

約数ペア:

[(1, 21119374), (2, 10559687), (19, 1111546), (38, 555773), (647, 32642), (859, 24586), (1294, 16321), (1718, 12293)]