16722489

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41911}}^1$

素因数の和:41940

約数の個数: 16

約数和(自身を含む): 26823680

約数和(自身を除く): 10101191

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 41911, 125733, 293377, 796309, 880131, 2388927, 5574163, 16722489]

約数ペア:

[(1, 16722489), (3, 5574163), (7, 2388927), (19, 880131), (21, 796309), (57, 293377), (133, 125733), (399, 41911)]