21132954

素因数分解:

$2^1\times 3^3\times {\mathrm{391351}}^1$

素因数の和:391362

約数の個数: 16

約数和(自身を含む): 46962240

約数和(自身を除く): 25829286

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 391351, 782702, 1174053, 2348106, 3522159, 7044318, 10566477, 21132954]

約数ペア:

[(1, 21132954), (2, 10566477), (3, 7044318), (6, 3522159), (9, 2348106), (18, 1174053), (27, 782702), (54, 391351)]