21920526

素因数分解:

$2^1\times 3^2\times {\mathrm{443}}^1\times {\mathrm{2749}}^1$

素因数の和:3200

約数の個数: 24

約数和(自身を含む): 47619000

約数和(自身を除く): 25698474

約数列:

[1, 2, 3, 6, 9, 18, 443, 886, 1329, 2658, 2749, 3987, 5498, 7974, 8247, 16494, 24741, 49482, 1217807, 2435614, 3653421, 7306842, 10960263, 21920526]

約数ペア:

[(1, 21920526), (2, 10960263), (3, 7306842), (6, 3653421), (9, 2435614), (18, 1217807), (443, 49482), (886, 24741), (1329, 16494), (2658, 8247), (2749, 7974), (3987, 5498)]