21662894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2243}}^1$

素因数の和:2695

約数の個数: 16

約数和(自身を含む): 35544960

約数和(自身を除く): 13882066

約数列:

[1, 2, 11, 22, 439, 878, 2243, 4486, 4829, 9658, 24673, 49346, 984677, 1969354, 10831447, 21662894]

約数ペア:

[(1, 21662894), (2, 10831447), (11, 1969354), (22, 984677), (439, 49346), (878, 24673), (2243, 9658), (4486, 4829)]