21906753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34939}}^1$

素因数の和:34972

約数の個数: 16

約数和(自身を含む): 33542400

約数和(自身を除く): 11635647

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34939, 104817, 384329, 663841, 1152987, 1991523, 7302251, 21906753]

約数ペア:

[(1, 21906753), (3, 7302251), (11, 1991523), (19, 1152987), (33, 663841), (57, 384329), (209, 104817), (627, 34939)]