21028711

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{10223}}^1$

素因数の和:10262

約数の個数: 12

約数和(自身を含む): 24476256

約数和(自身を除く): 3447545

約数列:

[1, 11, 17, 121, 187, 2057, 10223, 112453, 173791, 1236983, 1911701, 21028711]

約数ペア:

[(1, 21028711), (11, 1911701), (17, 1236983), (121, 173791), (187, 112453), (2057, 10223)]