21062871

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1049}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 32104800

約数和(自身を除く): 11041929

約数列:

[1, 3, 9, 23, 69, 97, 207, 291, 873, 1049, 2231, 3147, 6693, 9441, 20079, 24127, 72381, 101753, 217143, 305259, 915777, 2340319, 7020957, 21062871]

約数ペア:

[(1, 21062871), (3, 7020957), (9, 2340319), (23, 915777), (69, 305259), (97, 217143), (207, 101753), (291, 72381), (873, 24127), (1049, 20079), (2231, 9441), (3147, 6693)]