21052222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26921}}^1$

素因数の和:26963

約数の個数: 16

約数和(自身を含む): 34890912

約数和(自身を除く): 13838690

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26921, 53842, 457657, 619183, 915314, 1238366, 10526111, 21052222]

約数ペア:

[(1, 21052222), (2, 10526111), (17, 1238366), (23, 915314), (34, 619183), (46, 457657), (391, 53842), (782, 26921)]