21321926

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{2081}}^1$

素因数の和:2239

約数の個数: 16

約数和(自身を含む): 32978880

約数和(自身を除く): 11656954

約数列:

[1, 2, 47, 94, 109, 218, 2081, 4162, 5123, 10246, 97807, 195614, 226829, 453658, 10660963, 21321926]

約数ペア:

[(1, 21321926), (2, 10660963), (47, 453658), (94, 226829), (109, 195614), (218, 97807), (2081, 10246), (4162, 5123)]