21068814

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15889}}^1$

素因数の和:15924

約数の個数: 32

約数和(自身を含む): 48051360

約数和(自身を除く): 26982546

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15889, 31778, 47667, 95334, 206557, 270113, 413114, 540226, 619671, 810339, 1239342, 1620678, 3511469, 7022938, 10534407, 21068814]

約数ペア:

[(1, 21068814), (2, 10534407), (3, 7022938), (6, 3511469), (13, 1620678), (17, 1239342), (26, 810339), (34, 619671), (39, 540226), (51, 413114), (78, 270113), (102, 206557), (221, 95334), (442, 47667), (663, 31778), (1326, 15889)]