21031454

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2671}}^1$

素因数の和:2831

約数の個数: 16

約数和(自身を含む): 32833536

約数和(自身を除く): 11802082

約数列:

[1, 2, 31, 62, 127, 254, 2671, 3937, 5342, 7874, 82801, 165602, 339217, 678434, 10515727, 21031454]

約数ペア:

[(1, 21031454), (2, 10515727), (31, 678434), (62, 339217), (127, 165602), (254, 82801), (2671, 7874), (3937, 5342)]