21564558

素因数分解:

$2^1\times 3^2\times {\mathrm{439}}^1\times {\mathrm{2729}}^1$

素因数の和:3176

約数の個数: 24

約数和(自身を含む): 46846800

約数和(自身を除く): 25282242

約数列:

[1, 2, 3, 6, 9, 18, 439, 878, 1317, 2634, 2729, 3951, 5458, 7902, 8187, 16374, 24561, 49122, 1198031, 2396062, 3594093, 7188186, 10782279, 21564558]

約数ペア:

[(1, 21564558), (2, 10782279), (3, 7188186), (6, 3594093), (9, 2396062), (18, 1198031), (439, 49122), (878, 24561), (1317, 16374), (2634, 8187), (2729, 7902), (3951, 5458)]