21226569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5981}}^1$

素因数の和:6017

約数の個数: 24

約数和(自身を含む): 35030592

約数和(自身を除く): 13804023

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5981, 17943, 41867, 77753, 125601, 233259, 544271, 1010789, 1632813, 3032367, 7075523, 21226569]

約数ペア:

[(1, 21226569), (3, 7075523), (7, 3032367), (13, 1632813), (21, 1010789), (39, 544271), (91, 233259), (169, 125601), (273, 77753), (507, 41867), (1183, 17943), (3549, 5981)]