21144008

素因数分解:

$2^3\times {\mathrm{593}}^1\times {\mathrm{4457}}^1$

素因数の和:5056

約数の個数: 16

約数和(自身を含む): 39720780

約数和(自身を除く): 18576772

約数列:

[1, 2, 4, 8, 593, 1186, 2372, 4457, 4744, 8914, 17828, 35656, 2643001, 5286002, 10572004, 21144008]

約数ペア:

[(1, 21144008), (2, 10572004), (4, 5286002), (8, 2643001), (593, 35656), (1186, 17828), (2372, 8914), (4457, 4744)]