21296319

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5711}}^1$

素因数の和:5838

約数の個数: 16

約数和(自身を含む): 31256064

約数和(自身を除く): 9959745

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5711, 17133, 62821, 188463, 645343, 1936029, 7098773, 21296319]

約数ペア:

[(1, 21296319), (3, 7098773), (11, 1936029), (33, 645343), (113, 188463), (339, 62821), (1243, 17133), (3729, 5711)]