21343047

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12203}}^1$

素因数の和:12270

約数の個数: 16

約数和(自身を含む): 31632768

約数和(自身を除く): 10289721

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12203, 36609, 134233, 402699, 646759, 1940277, 7114349, 21343047]

約数ペア:

[(1, 21343047), (3, 7114349), (11, 1940277), (33, 646759), (53, 402699), (159, 134233), (583, 36609), (1749, 12203)]