21873591

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{6379}}^1$

素因数の和:6515

約数の個数: 16

約数和(自身を含む): 32665600

約数和(自身を除く): 10792009

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 6379, 19137, 57411, 172233, 810133, 2430399, 7291197, 21873591]

約数ペア:

[(1, 21873591), (3, 7291197), (9, 2430399), (27, 810133), (127, 172233), (381, 57411), (1143, 19137), (3429, 6379)]