21000427939

素因数分解:

${\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1\times {\mathrm{8011}}^1$

素因数の和:8802

約数の個数: 16

約数和(自身を含む): 22232338560

約数和(自身を除く): 1231910621

約数列:

[1, 19, 281, 491, 5339, 8011, 9329, 137971, 152209, 2251091, 2621449, 3933401, 42770729, 74734619, 1105285681, 21000427939]

約数ペア:

[(1, 21000427939), (19, 1105285681), (281, 74734619), (491, 42770729), (5339, 3933401), (8011, 2621449), (9329, 2251091), (137971, 152209)]