21133384

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{5051}}^1$

素因数の和:5580

約数の個数: 16

約数和(自身を含む): 39708720

約数和(自身を除く): 18575336

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 5051, 10102, 20204, 40408, 2641673, 5283346, 10566692, 21133384]

約数ペア:

[(1, 21133384), (2, 10566692), (4, 5283346), (8, 2641673), (523, 40408), (1046, 20204), (2092, 10102), (4184, 5051)]