21986943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{9127}}^1$

素因数の和:9214

約数の個数: 16

約数和(自身を含む): 32422656

約数和(自身を除く): 10435713

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 9127, 27381, 100397, 301191, 666271, 1998813, 7328981, 21986943]

約数ペア:

[(1, 21986943), (3, 7328981), (11, 1998813), (33, 666271), (73, 301191), (219, 100397), (803, 27381), (2409, 9127)]