21278049403

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1037903}}^1$

素因数の和:1038018

約数の個数: 16

約数和(自身を含む): 24411502080

約数和(自身を除く): 3133452677

約数列:

[1, 13, 19, 83, 247, 1079, 1577, 20501, 1037903, 13492739, 19720157, 86145949, 256362041, 1119897337, 1636773031, 21278049403]

約数ペア:

[(1, 21278049403), (13, 1636773031), (19, 1119897337), (83, 256362041), (247, 86145949), (1079, 19720157), (1577, 13492739), (20501, 1037903)]