21195284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3793}}^1$

素因数の和:3935

約数の個数: 24

約数和(自身を含む): 40793088

約数和(自身を除く): 19597804

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3793, 5588, 7586, 15172, 41723, 83446, 166892, 481711, 963422, 1926844, 5298821, 10597642, 21195284]

約数ペア:

[(1, 21195284), (2, 10597642), (4, 5298821), (11, 1926844), (22, 963422), (44, 481711), (127, 166892), (254, 83446), (508, 41723), (1397, 15172), (2794, 7586), (3793, 5588)]