21365538

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{187417}}^1$

素因数の和:187441

約数の個数: 16

約数和(自身を含む): 44980320

約数和(自身を除く): 23614782

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 187417, 374834, 562251, 1124502, 3560923, 7121846, 10682769, 21365538]

約数ペア:

[(1, 21365538), (2, 10682769), (3, 7121846), (6, 3560923), (19, 1124502), (38, 562251), (57, 374834), (114, 187417)]