21388782

素因数分解:

$2^1\times 3^1\times {\mathrm{1009}}^1\times {\mathrm{3533}}^1$

素因数の和:4547

約数の個数: 16

約数和(自身を含む): 42832080

約数和(自身を除く): 21443298

約数列:

[1, 2, 3, 6, 1009, 2018, 3027, 3533, 6054, 7066, 10599, 21198, 3564797, 7129594, 10694391, 21388782]

約数ペア:

[(1, 21388782), (2, 10694391), (3, 7129594), (6, 3564797), (1009, 21198), (2018, 10599), (3027, 7066), (3533, 6054)]