21935287

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2861}}^1$

素因数の和:2930

約数の個数: 16

約数和(自身を含む): 25964064

約数和(自身を除く): 4028777

約数列:

[1, 11, 17, 41, 187, 451, 697, 2861, 7667, 31471, 48637, 117301, 535007, 1290311, 1994117, 21935287]

約数ペア:

[(1, 21935287), (11, 1994117), (17, 1290311), (41, 535007), (187, 117301), (451, 48637), (697, 31471), (2861, 7667)]