21048181

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14387}}^1$

素因数の和:14424

約数の個数: 16

約数和(自身を含む): 27624960

約数和(自身を除く): 6576779

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14387, 100709, 158257, 273353, 1107799, 1913471, 3006883, 21048181]

約数ペア:

[(1, 21048181), (7, 3006883), (11, 1913471), (19, 1107799), (77, 273353), (133, 158257), (209, 100709), (1463, 14387)]