21016964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16267}}^1$

素因数の和:16307

約数の個数: 24

約数和(自身を含む): 40995360

約数和(自身を除く): 19978396

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16267, 32534, 65068, 276539, 309073, 553078, 618146, 1106156, 1236292, 5254241, 10508482, 21016964]

約数ペア:

[(1, 21016964), (2, 10508482), (4, 5254241), (17, 1236292), (19, 1106156), (34, 618146), (38, 553078), (68, 309073), (76, 276539), (323, 65068), (646, 32534), (1292, 16267)]