21410606

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80491}}^1$

素因数の和:80519

約数の個数: 16

約数和(自身を含む): 38636160

約数和(自身を除く): 17225554

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 80491, 160982, 563437, 1126874, 1529329, 3058658, 10705303, 21410606]

約数ペア:

[(1, 21410606), (2, 10705303), (7, 3058658), (14, 1529329), (19, 1126874), (38, 563437), (133, 160982), (266, 80491)]