21174920457

素因数分解:

$3^1\times {\mathrm{419}}^1\times {\mathrm{881}}^1\times {\mathrm{19121}}^1$

素因数の和:20424

約数の個数: 16

約数和(自身を含む): 28334214720

約数和(自身を除く): 7159294263

約数列:

[1, 3, 419, 881, 1257, 2643, 19121, 57363, 369139, 1107417, 8011699, 16845601, 24035097, 50536803, 7058306819, 21174920457]

約数ペア:

[(1, 21174920457), (3, 7058306819), (419, 50536803), (881, 24035097), (1257, 16845601), (2643, 8011699), (19121, 1107417), (57363, 369139)]