21103797

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49193}}^1$

素因数の和:49220

約数の個数: 16

約数和(自身を含む): 33058368

約数和(自身を除く): 11954571

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49193, 147579, 541123, 639509, 1623369, 1918527, 7034599, 21103797]

約数ペア:

[(1, 21103797), (3, 7034599), (11, 1918527), (13, 1623369), (33, 639509), (39, 541123), (143, 147579), (429, 49193)]