21427866

素因数分解:

$2^1\times 3^2\times {\mathrm{181}}^1\times {\mathrm{6577}}^1$

素因数の和:6766

約数の個数: 24

約数和(自身を含む): 46690644

約数和(自身を除く): 25262778

約数列:

[1, 2, 3, 6, 9, 18, 181, 362, 543, 1086, 1629, 3258, 6577, 13154, 19731, 39462, 59193, 118386, 1190437, 2380874, 3571311, 7142622, 10713933, 21427866]

約数ペア:

[(1, 21427866), (2, 10713933), (3, 7142622), (6, 3571311), (9, 2380874), (18, 1190437), (181, 118386), (362, 59193), (543, 39462), (1086, 19731), (1629, 13154), (3258, 6577)]