21073419

素因数分解:

$3^3\times {\mathrm{599}}^1\times {\mathrm{1303}}^1$

素因数の和:1911

約数の個数: 16

約数和(自身を含む): 31296000

約数和(自身を除く): 10222581

約数列:

[1, 3, 9, 27, 599, 1303, 1797, 3909, 5391, 11727, 16173, 35181, 780497, 2341491, 7024473, 21073419]

約数ペア:

[(1, 21073419), (3, 7024473), (9, 2341491), (27, 780497), (599, 35181), (1303, 16173), (1797, 11727), (3909, 5391)]