21150531

素因数分解:

$3^3\times {\mathrm{593}}^1\times {\mathrm{1321}}^1$

素因数の和:1923

約数の個数: 16

約数和(自身を含む): 31410720

約数和(自身を除く): 10260189

約数列:

[1, 3, 9, 27, 593, 1321, 1779, 3963, 5337, 11889, 16011, 35667, 783353, 2350059, 7050177, 21150531]

約数ペア:

[(1, 21150531), (3, 7050177), (9, 2350059), (27, 783353), (593, 35667), (1321, 16011), (1779, 11889), (3963, 5337)]