21194563

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3307}}^1$

素因数の和:3366

約数の個数: 16

約数和(自身を含む): 25008480

約数和(自身を除く): 3813917

約数列:

[1, 13, 17, 29, 221, 377, 493, 3307, 6409, 42991, 56219, 95903, 730847, 1246739, 1630351, 21194563]

約数ペア:

[(1, 21194563), (13, 1630351), (17, 1246739), (29, 730847), (221, 95903), (377, 56219), (493, 42991), (3307, 6409)]