21125268

素因数分解:

$2^2\times 3^2\times {\mathrm{586813}}^1$

素因数の和:586823

約数の個数: 18

約数和(自身を含む): 53400074

約数和(自身を除く): 32274806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 586813, 1173626, 1760439, 2347252, 3520878, 5281317, 7041756, 10562634, 21125268]

約数ペア:

[(1, 21125268), (2, 10562634), (3, 7041756), (4, 5281317), (6, 3520878), (9, 2347252), (12, 1760439), (18, 1173626), (36, 586813)]