21000339352

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{25990519}}^1$

素因数の和:25990626

約数の個数: 16

約数和(自身を含む): 39765495600

約数和(自身を除く): 18765156248

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 25990519, 51981038, 103962076, 207924152, 2625042419, 5250084838, 10500169676, 21000339352]

約数ペア:

[(1, 21000339352), (2, 10500169676), (4, 5250084838), (8, 2625042419), (101, 207924152), (202, 103962076), (404, 51981038), (808, 25990519)]