21084156

素因数分解:

$2^2\times 3^2\times {\mathrm{585671}}^1$

素因数の和:585681

約数の個数: 18

約数和(自身を含む): 53296152

約数和(自身を除く): 32211996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585671, 1171342, 1757013, 2342684, 3514026, 5271039, 7028052, 10542078, 21084156]

約数ペア:

[(1, 21084156), (2, 10542078), (3, 7028052), (4, 5271039), (6, 3514026), (9, 2342684), (12, 1757013), (18, 1171342), (36, 585671)]