21451443

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 31997952

約数和(自身を除く): 10546509

約数列:

[1, 3, 13, 39, 61, 71, 127, 183, 213, 381, 793, 923, 1651, 2379, 2769, 4331, 4953, 7747, 9017, 12993, 23241, 27051, 56303, 100711, 117221, 168909, 302133, 351663, 550037, 1650111, 7150481, 21451443]

約数ペア:

[(1, 21451443), (3, 7150481), (13, 1650111), (39, 550037), (61, 351663), (71, 302133), (127, 168909), (183, 117221), (213, 100711), (381, 56303), (793, 27051), (923, 23241), (1651, 12993), (2379, 9017), (2769, 7747), (4331, 4953)]