21544556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25771}}^1$

素因数の和:25805

約数の個数: 24

約数和(自身を含む): 43296960

約数和(自身を除く): 21752404

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25771, 51542, 103084, 283481, 489649, 566962, 979298, 1133924, 1958596, 5386139, 10772278, 21544556]

約数ペア:

[(1, 21544556), (2, 10772278), (4, 5386139), (11, 1958596), (19, 1133924), (22, 979298), (38, 566962), (44, 489649), (76, 283481), (209, 103084), (418, 51542), (836, 25771)]