21167019951

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13090303}}^1$

素因数の和:13090331

約数の個数: 24

約数和(自身を含む): 35815071744

約数和(自身を除く): 14648051793

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 13090303, 39270909, 91632121, 143993333, 274896363, 431979999, 641424847, 1007953331, 1924274541, 3023859993, 7055673317, 21167019951]

約数ペア:

[(1, 21167019951), (3, 7055673317), (7, 3023859993), (11, 1924274541), (21, 1007953331), (33, 641424847), (49, 431979999), (77, 274896363), (147, 143993333), (231, 91632121), (539, 39270909), (1617, 13090303)]