21816214

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17509}}^1$

素因数の和:17607

約数の個数: 16

約数和(自身を含む): 37821600

約数和(自身を除く): 16005386

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 17509, 35018, 122563, 245126, 1558301, 3116602, 10908107, 21816214]

約数ペア:

[(1, 21816214), (2, 10908107), (7, 3116602), (14, 1558301), (89, 245126), (178, 122563), (623, 35018), (1246, 17509)]