21945154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{142501}}^1$

素因数の和:142521

約数の個数: 16

約数和(自身を含む): 41040576

約数和(自身を除く): 19095422

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 142501, 285002, 997507, 1567511, 1995014, 3135022, 10972577, 21945154]

約数ペア:

[(1, 21945154), (2, 10972577), (7, 3135022), (11, 1995014), (14, 1567511), (22, 997507), (77, 285002), (154, 142501)]