21223578

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21701}}^1$

素因数の和:21869

約数の個数: 16

約数和(自身を含む): 42709536

約数和(自身を除く): 21485958

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21701, 43402, 65103, 130206, 3537263, 7074526, 10611789, 21223578]

約数ペア:

[(1, 21223578), (2, 10611789), (3, 7074526), (6, 3537263), (163, 130206), (326, 65103), (489, 43402), (978, 21701)]