47021457

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{21739}}^1$

素因数の和:21852

約数の個数: 16

約数和(自身を含む): 72350720

約数和(自身を除く): 25329263

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 21739, 65217, 152173, 456519, 2239117, 6717351, 15673819, 47021457]

約数ペア:

[(1, 47021457), (3, 15673819), (7, 6717351), (21, 2239117), (103, 456519), (309, 152173), (721, 65217), (2163, 21739)]