21437548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25643}}^1$

素因数の和:25677

約数の個数: 24

約数和(自身を含む): 43081920

約数和(自身を除く): 21644372

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25643, 51286, 102572, 282073, 487217, 564146, 974434, 1128292, 1948868, 5359387, 10718774, 21437548]

約数ペア:

[(1, 21437548), (2, 10718774), (4, 5359387), (11, 1948868), (19, 1128292), (22, 974434), (38, 564146), (44, 487217), (76, 282073), (209, 102572), (418, 51286), (836, 25643)]