21107763

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{3271}}^1$

素因数の和:3519

約数の個数: 16

約数和(自身を含む): 31411200

約数和(自身を除く): 10303437

約数列:

[1, 3, 9, 27, 239, 717, 2151, 3271, 6453, 9813, 29439, 88317, 781769, 2345307, 7035921, 21107763]

約数ペア:

[(1, 21107763), (3, 7035921), (9, 2345307), (27, 781769), (239, 88317), (717, 29439), (2151, 9813), (3271, 6453)]