21490964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1667}}^1$

素因数の和:1975

約数の個数: 24

約数和(自身を含む): 41192928

約数和(自身を除く): 19701964

約数列:

[1, 2, 4, 11, 22, 44, 293, 586, 1172, 1667, 3223, 3334, 6446, 6668, 12892, 18337, 36674, 73348, 488431, 976862, 1953724, 5372741, 10745482, 21490964]

約数ペア:

[(1, 21490964), (2, 10745482), (4, 5372741), (11, 1953724), (22, 976862), (44, 488431), (293, 73348), (586, 36674), (1172, 18337), (1667, 12892), (3223, 6668), (3334, 6446)]