21940527

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{10771}}^1$

素因数の和:10878

約数の個数: 16

約数和(自身を含む): 33780992

約数和(自身を除く): 11840465

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 10771, 32313, 75397, 226191, 1044787, 3134361, 7313509, 21940527]

約数ペア:

[(1, 21940527), (3, 7313509), (7, 3134361), (21, 1044787), (97, 226191), (291, 75397), (679, 32313), (2037, 10771)]