23921821

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 30609152

約数和(自身を除く): 6687331

約数列:

[1, 7, 11, 61, 77, 121, 427, 463, 671, 847, 3241, 4697, 5093, 7381, 28243, 35651, 51667, 56023, 197701, 310673, 392161, 2174711, 3417403, 23921821]

約数ペア:

[(1, 23921821), (7, 3417403), (11, 2174711), (61, 392161), (77, 310673), (121, 197701), (427, 56023), (463, 51667), (671, 35651), (847, 28243), (3241, 7381), (4697, 5093)]