21040332

素因数分解:

$2^2\times 3^1\times {\mathrm{491}}^1\times {\mathrm{3571}}^1$

素因数の和:4069

約数の個数: 24

約数和(自身を含む): 49207872

約数和(自身を除く): 28167540

約数列:

[1, 2, 3, 4, 6, 12, 491, 982, 1473, 1964, 2946, 3571, 5892, 7142, 10713, 14284, 21426, 42852, 1753361, 3506722, 5260083, 7013444, 10520166, 21040332]

約数ペア:

[(1, 21040332), (2, 10520166), (3, 7013444), (4, 5260083), (6, 3506722), (12, 1753361), (491, 42852), (982, 21426), (1473, 14284), (1964, 10713), (2946, 7142), (3571, 5892)]