21967496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3361}}^1$

素因数の和:3429

約数の個数: 32

約数和(自身を含む): 44378400

約数和(自身を除く): 22410904

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 3361, 6536, 6722, 13444, 26888, 63859, 127718, 144523, 255436, 289046, 510872, 578092, 1156184, 2745937, 5491874, 10983748, 21967496]

約数ペア:

[(1, 21967496), (2, 10983748), (4, 5491874), (8, 2745937), (19, 1156184), (38, 578092), (43, 510872), (76, 289046), (86, 255436), (152, 144523), (172, 127718), (344, 63859), (817, 26888), (1634, 13444), (3268, 6722), (3361, 6536)]