20210316217

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{33503}}^1$

素因数の和:34477

約数の個数: 24

約数和(自身を含む): 25345910016

約数和(自身を除く): 5135593799

約数列:

[1, 7, 13, 49, 91, 637, 947, 6629, 12311, 33503, 46403, 86177, 234521, 435539, 603239, 1641647, 3048773, 21341411, 31727341, 222091387, 412455433, 1554639709, 2887188031, 20210316217]

約数ペア:

[(1, 20210316217), (7, 2887188031), (13, 1554639709), (49, 412455433), (91, 222091387), (637, 31727341), (947, 21341411), (6629, 3048773), (12311, 1641647), (33503, 603239), (46403, 435539), (86177, 234521)]