21952670

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26449}}^1$

素因数の和:26539

約数の個数: 16

約数和(自身を含む): 39992400

約数和(自身を除く): 18039730

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 26449, 52898, 132245, 264490, 2195267, 4390534, 10976335, 21952670]

約数ペア:

[(1, 21952670), (2, 10976335), (5, 4390534), (10, 2195267), (83, 264490), (166, 132245), (415, 52898), (830, 26449)]