21659903

素因数分解:

${\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 23016960

約数和(自身を除く): 1357057

約数列:

[1, 47, 59, 73, 107, 2773, 3431, 4307, 5029, 6313, 7811, 202429, 296711, 367117, 460849, 21659903]

約数ペア:

[(1, 21659903), (47, 460849), (59, 367117), (73, 296711), (107, 202429), (2773, 7811), (3431, 6313), (4307, 5029)]