21103633539

素因数分解:

$3^3\times {\mathrm{449}}^1\times {\mathrm{1740793}}^1$

素因数の和:1741251

約数の個数: 16

約数和(自身を含む): 31334292000

約数和(自身を除く): 10230658461

約数列:

[1, 3, 9, 27, 449, 1347, 4041, 12123, 1740793, 5222379, 15667137, 47001411, 781616057, 2344848171, 7034544513, 21103633539]

約数ペア:

[(1, 21103633539), (3, 7034544513), (9, 2344848171), (27, 781616057), (449, 47001411), (1347, 15667137), (4041, 5222379), (12123, 1740793)]