21394114

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80429}}^1$

素因数の和:80457

約数の個数: 16

約数和(自身を含む): 38606400

約数和(自身を除く): 17212286

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 80429, 160858, 563003, 1126006, 1528151, 3056302, 10697057, 21394114]

約数ペア:

[(1, 21394114), (2, 10697057), (7, 3056302), (14, 1528151), (19, 1126006), (38, 563003), (133, 160858), (266, 80429)]