21039959091

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{20809}}^1\times {\mathrm{9109}}^1$

素因数の和:29958

約数の個数: 16

約数和(自身を含む): 28816023200

約数和(自身を除く): 7776064109

約数列:

[1, 3, 37, 111, 9109, 20809, 27327, 62427, 337033, 769933, 1011099, 2309799, 189549181, 568647543, 7013319697, 21039959091]

約数ペア:

[(1, 21039959091), (3, 7013319697), (37, 568647543), (111, 189549181), (9109, 2309799), (20809, 1011099), (27327, 769933), (62427, 337033)]