21015858

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49333}}^1$

素因数の和:49409

約数の個数: 16

約数和(自身を含む): 42624576

約数和(自身を除く): 21608718

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49333, 98666, 147999, 295998, 3502643, 7005286, 10507929, 21015858]

約数ペア:

[(1, 21015858), (2, 10507929), (3, 7005286), (6, 3502643), (71, 295998), (142, 147999), (213, 98666), (426, 49333)]