21389687

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1931}}^1$

素因数の和:2014

約数の個数: 16

約数和(自身を含む): 25038720

約数和(自身を除く): 3649033

約数列:

[1, 11, 19, 53, 209, 583, 1007, 1931, 11077, 21241, 36689, 102343, 403579, 1125773, 1944517, 21389687]

約数ペア:

[(1, 21389687), (11, 1944517), (19, 1125773), (53, 403579), (209, 102343), (583, 36689), (1007, 21241), (1931, 11077)]