25210017

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21061}}^1$

素因数の和:21093

約数の個数: 24

約数和(自身を含む): 43808960

約数和(自身を除く): 18598943

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21061, 63183, 147427, 189549, 400159, 442281, 1200477, 1326843, 2801113, 3601431, 8403339, 25210017]

約数ペア:

[(1, 25210017), (3, 8403339), (7, 3601431), (9, 2801113), (19, 1326843), (21, 1200477), (57, 442281), (63, 400159), (133, 189549), (171, 147427), (399, 63183), (1197, 21061)]