21853431938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5353609}}^1$

素因数の和:5353781

約数の個数: 16

約数和(自身を含む): 35526555960

約数和(自身を除く): 13673124022

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 5353609, 10707218, 69596917, 139193834, 840516613, 1681033226, 10926715969, 21853431938]

約数ペア:

[(1, 21853431938), (2, 10926715969), (13, 1681033226), (26, 840516613), (157, 139193834), (314, 69596917), (2041, 10707218), (4082, 5353609)]