21800222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1523}}^1$

素因数の和:1963

約数の個数: 16

約数和(自身を含む): 34728912

約数和(自身を除く): 12928690

約数列:

[1, 2, 17, 34, 421, 842, 1523, 3046, 7157, 14314, 25891, 51782, 641183, 1282366, 10900111, 21800222]

約数ペア:

[(1, 21800222), (2, 10900111), (17, 1282366), (34, 641183), (421, 51782), (842, 25891), (1523, 14314), (3046, 7157)]