21088097397

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{3163}}^1$

素因数の和:3622

約数の個数: 48

約数和(自身を含む): 32431759360

約数和(自身を除く): 11343661963

約数列:

[1, 3, 9, 19, 57, 127, 171, 307, 381, 921, 1143, 2413, 2763, 3163, 5833, 7239, 9489, 17499, 21717, 28467, 38989, 52497, 60097, 116967, 180291, 350901, 401701, 540873, 740791, 971041, 1205103, 2222373, 2913123, 3615309, 6667119, 7632319, 8739369, 18449779, 22896957, 55349337, 68690871, 123322207, 166048011, 369966621, 1109899863, 2343121933, 7029365799, 21088097397]

約数ペア:

[(1, 21088097397), (3, 7029365799), (9, 2343121933), (19, 1109899863), (57, 369966621), (127, 166048011), (171, 123322207), (307, 68690871), (381, 55349337), (921, 22896957), (1143, 18449779), (2413, 8739369), (2763, 7632319), (3163, 6667119), (5833, 3615309), (7239, 2913123), (9489, 2222373), (17499, 1205103), (21717, 971041), (28467, 740791), (38989, 540873), (52497, 401701), (60097, 350901), (116967, 180291)]