21263277

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59561}}^1$

素因数の和:59588

約数の個数: 16

約数和(自身を含む): 34307712

約数和(自身を除く): 13044435

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59561, 178683, 416927, 1012537, 1250781, 3037611, 7087759, 21263277]

約数ペア:

[(1, 21263277), (3, 7087759), (7, 3037611), (17, 1250781), (21, 1012537), (51, 416927), (119, 178683), (357, 59561)]