21000044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{937}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 39711168

約数和(自身を除く): 18711124

約数列:

[1, 2, 4, 13, 26, 52, 431, 862, 937, 1724, 1874, 3748, 5603, 11206, 12181, 22412, 24362, 48724, 403847, 807694, 1615388, 5250011, 10500022, 21000044]

約数ペア:

[(1, 21000044), (2, 10500022), (4, 5250011), (13, 1615388), (26, 807694), (52, 403847), (431, 48724), (862, 24362), (937, 22412), (1724, 12181), (1874, 11206), (3748, 5603)]