21494085

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9127}}^1$

素因数の和:9292

約数の個数: 16

約数和(自身を含む): 34613376

約数和(自身を除く): 13119291

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 9127, 27381, 45635, 136905, 1432939, 4298817, 7164695, 21494085]

約数ペア:

[(1, 21494085), (3, 7164695), (5, 4298817), (15, 1432939), (157, 136905), (471, 45635), (785, 27381), (2355, 9127)]