21503021570

素因数分解:

$2^1\times 5^1\times {\mathrm{7321}}^1\times {\mathrm{293717}}^1$

素因数の和:301045

約数の個数: 16

約数和(自身を含む): 38710857528

約数和(自身を除く): 17207835958

約数列:

[1, 2, 5, 10, 7321, 14642, 36605, 73210, 293717, 587434, 1468585, 2937170, 2150302157, 4300604314, 10751510785, 21503021570]

約数ペア:

[(1, 21503021570), (2, 10751510785), (5, 4300604314), (10, 2150302157), (7321, 2937170), (14642, 1468585), (36605, 587434), (73210, 293717)]