21544767

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 34856640

約数和(自身を除く): 13311873

約数列:

[1, 3, 9, 23, 29, 37, 69, 87, 97, 111, 207, 261, 291, 333, 667, 851, 873, 1073, 2001, 2231, 2553, 2813, 3219, 3589, 6003, 6693, 7659, 8439, 9657, 10767, 20079, 24679, 25317, 32301, 64699, 74037, 82547, 104081, 194097, 222111, 247641, 312243, 582291, 742923, 936729, 2393863, 7181589, 21544767]

約数ペア:

[(1, 21544767), (3, 7181589), (9, 2393863), (23, 936729), (29, 742923), (37, 582291), (69, 312243), (87, 247641), (97, 222111), (111, 194097), (207, 104081), (261, 82547), (291, 74037), (333, 64699), (667, 32301), (851, 25317), (873, 24679), (1073, 20079), (2001, 10767), (2231, 9657), (2553, 8439), (2813, 7659), (3219, 6693), (3589, 6003)]