21040444

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{169681}}^1$

素因数の和:169716

約数の個数: 12

約数和(自身を含む): 38008768

約数和(自身を除く): 16968324

約数列:

[1, 2, 4, 31, 62, 124, 169681, 339362, 678724, 5260111, 10520222, 21040444]

約数ペア:

[(1, 21040444), (2, 10520222), (4, 5260111), (31, 678724), (62, 339362), (124, 169681)]