21742174

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1299

約数の個数: 16

約数和(自身を含む): 33331968

約数和(自身を除く): 11589794

約数列:

[1, 2, 73, 137, 146, 274, 1087, 2174, 10001, 20002, 79351, 148919, 158702, 297838, 10871087, 21742174]

約数ペア:

[(1, 21742174), (2, 10871087), (73, 297838), (137, 158702), (146, 148919), (274, 79351), (1087, 20002), (2174, 10001)]