21333512

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{71}}^2$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 42412335

約数和(自身を除く): 21078823

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 529, 568, 1058, 1633, 2116, 3266, 4232, 5041, 6532, 10082, 13064, 20164, 37559, 40328, 75118, 115943, 150236, 231886, 300472, 463772, 927544, 2666689, 5333378, 10666756, 21333512]

約数ペア:

[(1, 21333512), (2, 10666756), (4, 5333378), (8, 2666689), (23, 927544), (46, 463772), (71, 300472), (92, 231886), (142, 150236), (184, 115943), (284, 75118), (529, 40328), (568, 37559), (1058, 20164), (1633, 13064), (2116, 10082), (3266, 6532), (4232, 5041)]