21927451

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 28440720

約数和(自身を除く): 6513269

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1187, 1421, 2639, 8309, 15431, 18473, 34423, 58163, 108017, 240961, 447499, 756119, 1686727, 3132493, 21927451]

約数ペア:

[(1, 21927451), (7, 3132493), (13, 1686727), (29, 756119), (49, 447499), (91, 240961), (203, 108017), (377, 58163), (637, 34423), (1187, 18473), (1421, 15431), (2639, 8309)]