21987331377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12571373}}^1$

素因数の和:12571440

約数の個数: 16

約数和(自身を含む): 32585001408

約数和(自身を除く): 10597670031

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12571373, 37714119, 138285103, 414855309, 666282769, 1998848307, 7329110459, 21987331377]

約数ペア:

[(1, 21987331377), (3, 7329110459), (11, 1998848307), (33, 666282769), (53, 414855309), (159, 138285103), (583, 37714119), (1749, 12571373)]