21432147

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8221}}^1$

素因数の和:8314

約数の個数: 16

約数和(自身を含む): 31572480

約数和(自身を除く): 10140333

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 8221, 24663, 90431, 271293, 649459, 1948377, 7144049, 21432147]

約数ペア:

[(1, 21432147), (3, 7144049), (11, 1948377), (33, 649459), (79, 271293), (237, 90431), (869, 24663), (2607, 8221)]