21692133

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 32235840

約数和(自身を除く): 10543707

約数列:

[1, 3, 9, 71, 83, 213, 249, 409, 639, 747, 1227, 3681, 5893, 17679, 29039, 33947, 53037, 87117, 101841, 261351, 305523, 2410237, 7230711, 21692133]

約数ペア:

[(1, 21692133), (3, 7230711), (9, 2410237), (71, 305523), (83, 261351), (213, 101841), (249, 87117), (409, 53037), (639, 33947), (747, 29039), (1227, 17679), (3681, 5893)]