21897261681

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1\times {\mathrm{6029}}^1$

素因数の和:6553

約数の個数: 32

約数和(自身を含む): 30564864000

約数和(自身を除く): 8667602319

約数列:

[1, 3, 29, 87, 109, 327, 383, 1149, 3161, 6029, 9483, 11107, 18087, 33321, 41747, 125241, 174841, 524523, 657161, 1210663, 1971483, 2309107, 3631989, 6927321, 19057669, 57173007, 66964103, 200892309, 251692663, 755077989, 7299087227, 21897261681]

約数ペア:

[(1, 21897261681), (3, 7299087227), (29, 755077989), (87, 251692663), (109, 200892309), (327, 66964103), (383, 57173007), (1149, 19057669), (3161, 6927321), (6029, 3631989), (9483, 2309107), (11107, 1971483), (18087, 1210663), (33321, 657161), (41747, 524523), (125241, 174841)]