21579544

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2129}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 46519200

約数和(自身を除く): 24939656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2129, 2534, 4258, 5068, 8516, 10136, 14903, 17032, 29806, 59612, 119224, 385349, 770698, 1541396, 2697443, 3082792, 5394886, 10789772, 21579544]

約数ペア:

[(1, 21579544), (2, 10789772), (4, 5394886), (7, 3082792), (8, 2697443), (14, 1541396), (28, 770698), (56, 385349), (181, 119224), (362, 59612), (724, 29806), (1267, 17032), (1448, 14903), (2129, 10136), (2534, 8516), (4258, 5068)]