21601679

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 25318656

約数和(自身を除く): 3716977

約数列:

[1, 11, 17, 71, 187, 781, 1207, 1627, 13277, 17897, 27659, 115517, 304249, 1270687, 1963789, 21601679]

約数ペア:

[(1, 21601679), (11, 1963789), (17, 1270687), (71, 304249), (187, 115517), (781, 27659), (1207, 17897), (1627, 13277)]