21071028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{159629}}^1$

素因数の和:159647

約数の個数: 24

約数和(自身を含む): 53635680

約数和(自身を除く): 32564652

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 159629, 319258, 478887, 638516, 957774, 1755919, 1915548, 3511838, 5267757, 7023676, 10535514, 21071028]

約数ペア:

[(1, 21071028), (2, 10535514), (3, 7023676), (4, 5267757), (6, 3511838), (11, 1915548), (12, 1755919), (22, 957774), (33, 638516), (44, 478887), (66, 319258), (132, 159629)]