21186230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162971}}^1$

素因数の和:162991

約数の個数: 16

約数和(自身を含む): 41068944

約数和(自身を除く): 19882714

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 162971, 325942, 814855, 1629710, 2118623, 4237246, 10593115, 21186230]

約数ペア:

[(1, 21186230), (2, 10593115), (5, 4237246), (10, 2118623), (13, 1629710), (26, 814855), (65, 325942), (130, 162971)]