21150051

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14657}}^1$

素因数の和:14710

約数の個数: 16

約数和(自身を含む): 31192224

約数和(自身を除く): 10042173

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14657, 43971, 190541, 542309, 571623, 1626927, 7050017, 21150051]

約数ペア:

[(1, 21150051), (3, 7050017), (13, 1626927), (37, 571623), (39, 542309), (111, 190541), (481, 43971), (1443, 14657)]