21077589

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5351}}^1$

素因数の和:5468

約数の個数: 16

約数和(自身を含む): 30570624

約数和(自身を除く): 9493035

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5351, 16053, 69563, 208689, 540451, 1621353, 7025863, 21077589]

約数ペア:

[(1, 21077589), (3, 7025863), (13, 1621353), (39, 540451), (101, 208689), (303, 69563), (1313, 16053), (3939, 5351)]