2021393927

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{14683}}^1$

素因数の和:15038

約数の個数: 16

約数和(自身を含む): 2351319552

約数和(自身を除く): 329925625

約数列:

[1, 7, 71, 277, 497, 1939, 14683, 19667, 102781, 137669, 1042493, 4067191, 7297451, 28470337, 288770561, 2021393927]

約数ペア:

[(1, 2021393927), (7, 288770561), (71, 28470337), (277, 7297451), (497, 4067191), (1939, 1042493), (14683, 137669), (19667, 102781)]