21387348

素因数分解:

$2^2\times 3^3\times {\mathrm{198031}}^1$

素因数の和:198044

約数の個数: 24

約数和(自身を含む): 55448960

約数和(自身を除く): 34061612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 198031, 396062, 594093, 792124, 1188186, 1782279, 2376372, 3564558, 5346837, 7129116, 10693674, 21387348]

約数ペア:

[(1, 21387348), (2, 10693674), (3, 7129116), (4, 5346837), (6, 3564558), (9, 2376372), (12, 1782279), (18, 1188186), (27, 792124), (36, 594093), (54, 396062), (108, 198031)]