21087346

素因数分解:

$2^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{2011}}^1$

素因数の和:2134

約数の個数: 24

約数和(自身を含む): 37157616

約数和(自身を除く): 16070270

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 749, 1498, 2011, 4022, 5243, 10486, 14077, 28154, 98539, 197078, 215177, 430354, 1506239, 3012478, 10543673, 21087346]

約数ペア:

[(1, 21087346), (2, 10543673), (7, 3012478), (14, 1506239), (49, 430354), (98, 215177), (107, 197078), (214, 98539), (749, 28154), (1498, 14077), (2011, 10486), (4022, 5243)]