2021855143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{369829}}^1$

素因数の和:369918

約数の個数: 16

約数和(自身を含む): 2556264960

約数和(自身を除く): 534409817

約数列:

[1, 7, 11, 71, 77, 497, 781, 5467, 369829, 2588803, 4068119, 26257859, 28476833, 183805013, 288836449, 2021855143]

約数ペア:

[(1, 2021855143), (7, 288836449), (11, 183805013), (71, 28476833), (77, 26257859), (497, 4068119), (781, 2588803), (5467, 369829)]