21870194

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27967}}^1$

素因数の和:28009

約数の個数: 16

約数和(自身を含む): 36246528

約数和(自身を除く): 14376334

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 27967, 55934, 475439, 643241, 950878, 1286482, 10935097, 21870194]

約数ペア:

[(1, 21870194), (2, 10935097), (17, 1286482), (23, 950878), (34, 643241), (46, 475439), (391, 55934), (782, 27967)]