21525742

素因数分解:

$2^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{2731}}^1$

素因数の和:3303

約数の個数: 16

約数和(自身を含む): 36980352

約数和(自身を除く): 15454610

約数列:

[1, 2, 7, 14, 563, 1126, 2731, 3941, 5462, 7882, 19117, 38234, 1537553, 3075106, 10762871, 21525742]

約数ペア:

[(1, 21525742), (2, 10762871), (7, 3075106), (14, 1537553), (563, 38234), (1126, 19117), (2731, 7882), (3941, 5462)]