21339567

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:939

約数の個数: 24

約数和(自身を含む): 32050304

約数和(自身を除く): 10710737

約数列:

[1, 3, 9, 43, 67, 129, 201, 387, 603, 823, 2469, 2881, 7407, 8643, 25929, 35389, 55141, 106167, 165423, 318501, 496269, 2371063, 7113189, 21339567]

約数ペア:

[(1, 21339567), (3, 7113189), (9, 2371063), (43, 496269), (67, 318501), (129, 165423), (201, 106167), (387, 55141), (603, 35389), (823, 25929), (2469, 8643), (2881, 7407)]