21823989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34807}}^1$

素因数の和:34840

約数の個数: 16

約数和(自身を含む): 33415680

約数和(自身を除く): 11591691

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34807, 104421, 382877, 661333, 1148631, 1983999, 7274663, 21823989]

約数ペア:

[(1, 21823989), (3, 7274663), (11, 1983999), (19, 1148631), (33, 661333), (57, 382877), (209, 104421), (627, 34807)]