21304976

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17293}}^1$

素因数の和:17319

約数の個数: 40

約数和(自身を含む): 51466944

約数和(自身を除く): 30161968

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17293, 34586, 69172, 121051, 138344, 190223, 242102, 276688, 380446, 484204, 760892, 968408, 1331561, 1521784, 1936816, 2663122, 3043568, 5326244, 10652488, 21304976]

約数ペア:

[(1, 21304976), (2, 10652488), (4, 5326244), (7, 3043568), (8, 2663122), (11, 1936816), (14, 1521784), (16, 1331561), (22, 968408), (28, 760892), (44, 484204), (56, 380446), (77, 276688), (88, 242102), (112, 190223), (154, 138344), (176, 121051), (308, 69172), (616, 34586), (1232, 17293)]