12201021

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10193}}^1$

素因数の和:10225

約数の個数: 24

約数和(自身を含む): 21203520

約数和(自身を除く): 9002499

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 10193, 30579, 71351, 91737, 193667, 214053, 581001, 642159, 1355669, 1743003, 4067007, 12201021]

約数ペア:

[(1, 12201021), (3, 4067007), (7, 1743003), (9, 1355669), (19, 642159), (21, 581001), (57, 214053), (63, 193667), (133, 91737), (171, 71351), (399, 30579), (1197, 10193)]