21680218561

素因数分解:

${\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{39113}}^1$

素因数の和:39432

約数の個数: 16

約数和(自身を含む): 22687371648

約数和(自身を除く): 1007153087

約数列:

[1, 37, 71, 211, 2627, 7807, 14981, 39113, 554297, 1447181, 2777023, 8252843, 102749851, 305355191, 585951853, 21680218561]

約数ペア:

[(1, 21680218561), (37, 585951853), (71, 305355191), (211, 102749851), (2627, 8252843), (7807, 2777023), (14981, 1447181), (39113, 554297)]