21080404257

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{563813}}^1$

素因数の和:563941

約数の個数: 24

約数和(自身を含む): 31194700992

約数和(自身を除く): 10114296735

約数列:

[1, 3, 11, 33, 103, 121, 309, 363, 1133, 3399, 12463, 37389, 563813, 1691439, 6201943, 18605829, 58072739, 68221373, 174218217, 204664119, 638800129, 1916400387, 7026801419, 21080404257]

約数ペア:

[(1, 21080404257), (3, 7026801419), (11, 1916400387), (33, 638800129), (103, 204664119), (121, 174218217), (309, 68221373), (363, 58072739), (1133, 18605829), (3399, 6201943), (12463, 1691439), (37389, 563813)]