21296248

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50227}}^1$

素因数の和:50286

約数の個数: 16

約数和(自身を含む): 40684680

約数和(自身を除く): 19388432

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50227, 100454, 200908, 401816, 2662031, 5324062, 10648124, 21296248]

約数ペア:

[(1, 21296248), (2, 10648124), (4, 5324062), (8, 2662031), (53, 401816), (106, 200908), (212, 100454), (424, 50227)]