21588749

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4021}}^1$

素因数の和:4100

約数の個数: 16

約数和(自身を含む): 27027840

約数和(自身を除く): 5439091

約数列:

[1, 7, 13, 59, 91, 413, 767, 4021, 5369, 28147, 52273, 237239, 365911, 1660673, 3084107, 21588749]

約数ペア:

[(1, 21588749), (7, 3084107), (13, 1660673), (59, 365911), (91, 237239), (413, 52273), (767, 28147), (4021, 5369)]