21124599

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{761}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 29748480

約数和(自身を除く): 8623881

約数列:

[1, 3, 19, 57, 487, 761, 1461, 2283, 9253, 14459, 27759, 43377, 370607, 1111821, 7041533, 21124599]

約数ペア:

[(1, 21124599), (3, 7041533), (19, 1111821), (57, 370607), (487, 43377), (761, 27759), (1461, 14459), (2283, 9253)]