21004716

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{11149}}^1$

素因数の和:11313

約数の個数: 24

約数和(自身を含む): 49327600

約数和(自身を除く): 28322884

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 11149, 22298, 33447, 44596, 66894, 133788, 1750393, 3500786, 5251179, 7001572, 10502358, 21004716]

約数ペア:

[(1, 21004716), (2, 10502358), (3, 7001572), (4, 5251179), (6, 3500786), (12, 1750393), (157, 133788), (314, 66894), (471, 44596), (628, 33447), (942, 22298), (1884, 11149)]