21339267

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1667}}^1$

素因数の和:1938

約数の個数: 16

約数和(自身を含む): 30264192

約数和(自身を除く): 8924925

約数列:

[1, 3, 17, 51, 251, 753, 1667, 4267, 5001, 12801, 28339, 85017, 418417, 1255251, 7113089, 21339267]

約数ペア:

[(1, 21339267), (3, 7113089), (17, 1255251), (51, 418417), (251, 85017), (753, 28339), (1667, 12801), (4267, 5001)]