21557601

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8011}}^1$

素因数の和:8053

約数の個数: 24

約数和(自身を含む): 34996416

約数和(自身を除く): 13438815

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 8011, 24033, 72099, 104143, 184253, 312429, 552759, 937287, 1658277, 2395289, 7185867, 21557601]

約数ペア:

[(1, 21557601), (3, 7185867), (9, 2395289), (13, 1658277), (23, 937287), (39, 552759), (69, 312429), (117, 184253), (207, 104143), (299, 72099), (897, 24033), (2691, 8011)]