19721877

素因数分解:

$3^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{2011}}^1$

素因数の和:2488

約数の個数: 16

約数和(自身を含む): 30131712

約数和(自身を除く): 10409835

約数列:

[1, 3, 7, 21, 467, 1401, 2011, 3269, 6033, 9807, 14077, 42231, 939137, 2817411, 6573959, 19721877]

約数ペア:

[(1, 19721877), (3, 6573959), (7, 2817411), (21, 939137), (467, 42231), (1401, 14077), (2011, 9807), (3269, 6033)]