21190235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9397}}^1$

素因数の和:9454

約数の個数: 16

約数和(自身を含む): 28419552

約数和(自身を除く): 7229317

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9397, 46985, 103367, 385277, 516835, 1926385, 4238047, 21190235]

約数ペア:

[(1, 21190235), (5, 4238047), (11, 1926385), (41, 516835), (55, 385277), (205, 103367), (451, 46985), (2255, 9397)]