21307876

素因数分解:

$2^2\times {\mathrm{43}}^3\times {\mathrm{67}}^1$

素因数の和:200

約数の個数: 24

約数和(自身を含む): 38746400

約数和(自身を除く): 17438524

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 1849, 2881, 3698, 5762, 7396, 11524, 79507, 123883, 159014, 247766, 318028, 495532, 5326969, 10653938, 21307876]

約数ペア:

[(1, 21307876), (2, 10653938), (4, 5326969), (43, 495532), (67, 318028), (86, 247766), (134, 159014), (172, 123883), (268, 79507), (1849, 11524), (2881, 7396), (3698, 5762)]