21777951

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1657}}^1$

素因数の和:2010

約数の個数: 16

約数和(自身を含む): 31382624

約数和(自身を除く): 9604673

約数列:

[1, 3, 13, 39, 337, 1011, 1657, 4381, 4971, 13143, 21541, 64623, 558409, 1675227, 7259317, 21777951]

約数ペア:

[(1, 21777951), (3, 7259317), (13, 1675227), (39, 558409), (337, 64623), (1011, 21541), (1657, 13143), (4381, 4971)]