21850179

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 32044032

約数和(自身を除く): 10193853

約数列:

[1, 3, 13, 39, 71, 169, 213, 507, 607, 923, 1821, 2769, 7891, 11999, 23673, 35997, 43097, 102583, 129291, 307749, 560261, 1680783, 7283393, 21850179]

約数ペア:

[(1, 21850179), (3, 7283393), (13, 1680783), (39, 560261), (71, 307749), (169, 129291), (213, 102583), (507, 43097), (607, 35997), (923, 23673), (1821, 11999), (2769, 7891)]