21612015280

素因数分解:

$2^4\times 5^1\times {\mathrm{270150191}}^1$

素因数の和:270150204

約数の個数: 20

約数和(自身を含む): 50247935712

約数和(自身を除く): 28635920432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 270150191, 540300382, 1080600764, 1350750955, 2161201528, 2701501910, 4322403056, 5403003820, 10806007640, 21612015280]

約数ペア:

[(1, 21612015280), (2, 10806007640), (4, 5403003820), (5, 4322403056), (8, 2701501910), (10, 2161201528), (16, 1350750955), (20, 1080600764), (40, 540300382), (80, 270150191)]