21822040

素因数分解:

$2^3\times 5^1\times {\mathrm{545551}}^1$

素因数の和:545562

約数の個数: 16

約数和(自身を含む): 49099680

約数和(自身を除く): 27277640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 545551, 1091102, 2182204, 2727755, 4364408, 5455510, 10911020, 21822040]

約数ペア:

[(1, 21822040), (2, 10911020), (4, 5455510), (5, 4364408), (8, 2727755), (10, 2182204), (20, 1091102), (40, 545551)]