21662421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1637}}^1$

素因数の和:2052

約数の個数: 16

約数和(自身を含む): 31606848

約数和(自身を除く): 9944427

約数列:

[1, 3, 11, 33, 401, 1203, 1637, 4411, 4911, 13233, 18007, 54021, 656437, 1969311, 7220807, 21662421]

約数ペア:

[(1, 21662421), (3, 7220807), (11, 1969311), (33, 656437), (401, 54021), (1203, 18007), (1637, 13233), (4411, 4911)]