21837897

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{42569}}^1$

素因数の和:42597

約数の個数: 16

約数和(自身を含む): 34056000

約数和(自身を除く): 12218103

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 42569, 127707, 383121, 808811, 1149363, 2426433, 7279299, 21837897]

約数ペア:

[(1, 21837897), (3, 7279299), (9, 2426433), (19, 1149363), (27, 808811), (57, 383121), (171, 127707), (513, 42569)]