21940011

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{6203}}^1$

素因数の和:6343

約数の個数: 16

約数和(自身を含む): 32757120

約数和(自身を除く): 10817109

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 6203, 18609, 55827, 167481, 812593, 2437779, 7313337, 21940011]

約数ペア:

[(1, 21940011), (3, 7313337), (9, 2437779), (27, 812593), (131, 167481), (393, 55827), (1179, 18609), (3537, 6203)]