21407261121

素因数分解:

$3^3\times {\mathrm{14159}}^1\times {\mathrm{55997}}^1$

素因数の和:70165

約数の個数: 16

約数和(自身を含む): 31717267200

約数和(自身を除く): 10310006079

約数列:

[1, 3, 9, 27, 14159, 42477, 55997, 127431, 167991, 382293, 503973, 1511919, 792861523, 2378584569, 7135753707, 21407261121]

約数ペア:

[(1, 21407261121), (3, 7135753707), (9, 2378584569), (27, 792861523), (14159, 1511919), (42477, 503973), (55997, 382293), (127431, 167991)]