21422518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1523}}^1$

素因数の和:2079

約数の個数: 16

約数和(自身を含む): 34692336

約数和(自身を除く): 13269818

約数列:

[1, 2, 13, 26, 541, 1082, 1523, 3046, 7033, 14066, 19799, 39598, 823943, 1647886, 10711259, 21422518]

約数ペア:

[(1, 21422518), (2, 10711259), (13, 1647886), (26, 823943), (541, 39598), (1082, 19799), (1523, 14066), (3046, 7033)]