21000388712

素因数分解:

$2^3\times {\mathrm{607}}^1\times {\mathrm{4324627}}^1$

素因数の和:4325240

約数の個数: 16

約数和(自身を含む): 39440607360

約数和(自身を除く): 18440218648

約数列:

[1, 2, 4, 8, 607, 1214, 2428, 4856, 4324627, 8649254, 17298508, 34597016, 2625048589, 5250097178, 10500194356, 21000388712]

約数ペア:

[(1, 21000388712), (2, 10500194356), (4, 5250097178), (8, 2625048589), (607, 34597016), (1214, 17298508), (2428, 8649254), (4856, 4324627)]