21061522

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{797}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 32242392

約数和(自身を除く): 11180870

約数列:

[1, 2, 73, 146, 181, 362, 797, 1594, 13213, 26426, 58181, 116362, 144257, 288514, 10530761, 21061522]

約数ペア:

[(1, 21061522), (2, 10530761), (73, 288514), (146, 144257), (181, 116362), (362, 58181), (797, 26426), (1594, 13213)]