21736887

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1009}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 29863680

約数和(自身を除く): 8126793

約数列:

[1, 3, 43, 129, 167, 501, 1009, 3027, 7181, 21543, 43387, 130161, 168503, 505509, 7245629, 21736887]

約数ペア:

[(1, 21736887), (3, 7245629), (43, 505509), (129, 168503), (167, 130161), (501, 43387), (1009, 21543), (3027, 7181)]