21280106

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12503}}^1$

素因数の和:12565

約数の個数: 16

約数和(自身を含む): 34210944

約数和(自身を除く): 12930838

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 12503, 25006, 287569, 462611, 575138, 925222, 10640053, 21280106]

約数ペア:

[(1, 21280106), (2, 10640053), (23, 925222), (37, 575138), (46, 462611), (74, 287569), (851, 25006), (1702, 12503)]