21926259

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 33050160

約数和(自身を除く): 11123901

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 1069, 2279, 3207, 6837, 9621, 20511, 45967, 56657, 137901, 169971, 413703, 509913, 2436251, 7308753, 21926259]

約数ペア:

[(1, 21926259), (3, 7308753), (9, 2436251), (43, 509913), (53, 413703), (129, 169971), (159, 137901), (387, 56657), (477, 45967), (1069, 20511), (2279, 9621), (3207, 6837)]