21280672

素因数分解:

$2^5\times 7^1\times {\mathrm{95003}}^1$

素因数の和:95020

約数の個数: 24

約数和(自身を含む): 47882016

約数和(自身を除く): 26601344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 95003, 190006, 380012, 665021, 760024, 1330042, 1520048, 2660084, 3040096, 5320168, 10640336, 21280672]

約数ペア:

[(1, 21280672), (2, 10640336), (4, 5320168), (7, 3040096), (8, 2660084), (14, 1520048), (16, 1330042), (28, 760024), (32, 665021), (56, 380012), (112, 190006), (224, 95003)]