21713601

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79537}}^1$

素因数の和:79560

約数の個数: 16

約数和(自身を含む): 35633024

約数和(自身を除く): 13919423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 79537, 238611, 556759, 1033981, 1670277, 3101943, 7237867, 21713601]

約数ペア:

[(1, 21713601), (3, 7237867), (7, 3101943), (13, 1670277), (21, 1033981), (39, 556759), (91, 238611), (273, 79537)]