21257673

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 29019840

約数和(自身を除く): 7762167

約数列:

[1, 3, 73, 113, 219, 339, 859, 2577, 8249, 24747, 62707, 97067, 188121, 291201, 7085891, 21257673]

約数ペア:

[(1, 21257673), (3, 7085891), (73, 291201), (113, 188121), (219, 97067), (339, 62707), (859, 24747), (2577, 8249)]