21000643234

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1\times {\mathrm{210499}}^1$

素因数の和:211185

約数の個数: 16

約数和(自身を含む): 31933692000

約数和(自身を除く): 10933048766

約数列:

[1, 2, 83, 166, 601, 1202, 49883, 99766, 210499, 420998, 17471417, 34942834, 126509899, 253019798, 10500321617, 21000643234]

約数ペア:

[(1, 21000643234), (2, 10500321617), (83, 253019798), (166, 126509899), (601, 34942834), (1202, 17471417), (49883, 420998), (99766, 210499)]