21081377404

素因数分解:

$2^2\times {\mathrm{1093}}^1\times {\mathrm{4821907}}^1$

素因数の和:4823004

約数の個数: 12

約数和(自身を含む): 36926171464

約数和(自身を除く): 15844794060

約数列:

[1, 2, 4, 1093, 2186, 4372, 4821907, 9643814, 19287628, 5270344351, 10540688702, 21081377404]

約数ペア:

[(1, 21081377404), (2, 10540688702), (4, 5270344351), (1093, 19287628), (2186, 9643814), (4372, 4821907)]