15721188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{887}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 42169344

約数和(自身を除く): 26448156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 887, 1266, 1477, 1774, 2532, 2661, 2954, 3548, 4431, 5322, 5908, 6209, 8862, 10644, 12418, 17724, 18627, 24836, 37254, 74508, 187157, 374314, 561471, 748628, 1122942, 1310099, 2245884, 2620198, 3930297, 5240396, 7860594, 15721188]

約数ペア:

[(1, 15721188), (2, 7860594), (3, 5240396), (4, 3930297), (6, 2620198), (7, 2245884), (12, 1310099), (14, 1122942), (21, 748628), (28, 561471), (42, 374314), (84, 187157), (211, 74508), (422, 37254), (633, 24836), (844, 18627), (887, 17724), (1266, 12418), (1477, 10644), (1774, 8862), (2532, 6209), (2661, 5908), (2954, 5322), (3548, 4431)]