21217548

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{160739}}^1$

素因数の和:160757

約数の個数: 24

約数和(自身を含む): 54008640

約数和(自身を除く): 32791092

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 160739, 321478, 482217, 642956, 964434, 1768129, 1928868, 3536258, 5304387, 7072516, 10608774, 21217548]

約数ペア:

[(1, 21217548), (2, 10608774), (3, 7072516), (4, 5304387), (6, 3536258), (11, 1928868), (12, 1768129), (22, 964434), (33, 642956), (44, 482217), (66, 321478), (132, 160739)]