21419367

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1259}}^1$

素因数の和:1422

約数の個数: 16

約数和(自身を含む): 29393280

約数和(自身を除く): 7973913

約数列:

[1, 3, 53, 107, 159, 321, 1259, 3777, 5671, 17013, 66727, 134713, 200181, 404139, 7139789, 21419367]

約数ペア:

[(1, 21419367), (3, 7139789), (53, 404139), (107, 200181), (159, 134713), (321, 66727), (1259, 17013), (3777, 5671)]