21165177098

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1\times {\mathrm{380929}}^1$

素因数の和:383081

約数の個数: 16

約数和(自身を含む): 34205990280

約数和(自身を除く): 13040813182

約数列:

[1, 2, 13, 26, 2137, 4274, 27781, 55562, 380929, 761858, 4952077, 9904154, 814045273, 1628090546, 10582588549, 21165177098]

約数ペア:

[(1, 21165177098), (2, 10582588549), (13, 1628090546), (26, 814045273), (2137, 9904154), (4274, 4952077), (27781, 761858), (55562, 380929)]