21862084610

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{8127169}}^1$

素因数の和:8127445

約数の個数: 16

約数和(自身を含む): 39498046200

約数和(自身を除く): 17635961590

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 8127169, 16254338, 40635845, 81271690, 2186208461, 4372416922, 10931042305, 21862084610]

約数ペア:

[(1, 21862084610), (2, 10931042305), (5, 4372416922), (10, 2186208461), (269, 81271690), (538, 40635845), (1345, 16254338), (2690, 8127169)]