21667954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12791}}^1$

素因数の和:12822

約数の個数: 24

約数和(自身を含む): 40832064

約数和(自身を除く): 19164110

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12791, 25582, 89537, 140701, 179074, 281402, 984907, 1547711, 1969814, 3095422, 10833977, 21667954]

約数ペア:

[(1, 21667954), (2, 10833977), (7, 3095422), (11, 1969814), (14, 1547711), (22, 984907), (77, 281402), (121, 179074), (154, 140701), (242, 89537), (847, 25582), (1694, 12791)]