21934396

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{45319}}^1$

素因数の和:45345

約数の個数: 18

約数和(自身を含む): 42192920

約数和(自身を除く): 20258524

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 45319, 90638, 181276, 498509, 997018, 1994036, 5483599, 10967198, 21934396]

約数ペア:

[(1, 21934396), (2, 10967198), (4, 5483599), (11, 1994036), (22, 997018), (44, 498509), (121, 181276), (242, 90638), (484, 45319)]