21796765564

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21039349}}^1$

素因数の和:21039397

約数の個数: 24

約数和(自身を含む): 44771736800

約数和(自身を除く): 22974971236

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 21039349, 42078698, 84157396, 147275443, 294550886, 589101772, 778455913, 1556911826, 3113823652, 5449191391, 10898382782, 21796765564]

約数ペア:

[(1, 21796765564), (2, 10898382782), (4, 5449191391), (7, 3113823652), (14, 1556911826), (28, 778455913), (37, 589101772), (74, 294550886), (148, 147275443), (259, 84157396), (518, 42078698), (1036, 21039349)]