21635636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491719}}^1$

素因数の和:491734

約数の個数: 12

約数和(自身を含む): 41304480

約数和(自身を除く): 19668844

約数列:

[1, 2, 4, 11, 22, 44, 491719, 983438, 1966876, 5408909, 10817818, 21635636]

約数ペア:

[(1, 21635636), (2, 10817818), (4, 5408909), (11, 1966876), (22, 983438), (44, 491719)]