21507069

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2971}}^1$

素因数の和:3120

約数の個数: 16

約数和(自身を含む): 30433280

約数和(自身を除く): 8926211

約数列:

[1, 3, 19, 57, 127, 381, 2413, 2971, 7239, 8913, 56449, 169347, 377317, 1131951, 7169023, 21507069]

約数ペア:

[(1, 21507069), (3, 7169023), (19, 1131951), (57, 377317), (127, 169347), (381, 56449), (2413, 8913), (2971, 7239)]