20212827

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3511}}^1$

素因数の和:3634

約数の個数: 16

約数和(自身を含む): 28657920

約数和(自身を除く): 8445093

約数列:

[1, 3, 19, 57, 101, 303, 1919, 3511, 5757, 10533, 66709, 200127, 354611, 1063833, 6737609, 20212827]

約数ペア:

[(1, 20212827), (3, 6737609), (19, 1063833), (57, 354611), (101, 200127), (303, 66709), (1919, 10533), (3511, 5757)]