21055628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9029}}^1$

素因数の和:9097

約数の個数: 24

約数和(自身を含む): 40960080

約数和(自身を除く): 19904452

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9029, 18058, 36116, 99319, 198638, 397276, 478537, 957074, 1914148, 5263907, 10527814, 21055628]

約数ペア:

[(1, 21055628), (2, 10527814), (4, 5263907), (11, 1914148), (22, 957074), (44, 478537), (53, 397276), (106, 198638), (212, 99319), (583, 36116), (1166, 18058), (2332, 9029)]