21674666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19387}}^1$

素因数の和:19445

約数の個数: 16

約数和(自身を含む): 35829024

約数和(自身を除く): 14154358

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 19387, 38774, 252031, 504062, 833641, 1667282, 10837333, 21674666]

約数ペア:

[(1, 21674666), (2, 10837333), (13, 1667282), (26, 833641), (43, 504062), (86, 252031), (559, 38774), (1118, 19387)]