21296090

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57557}}^1$

素因数の和:57601

約数の個数: 16

約数和(自身を含む): 39369672

約数和(自身を除く): 18073582

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 57557, 115114, 287785, 575570, 2129609, 4259218, 10648045, 21296090]

約数ペア:

[(1, 21296090), (2, 10648045), (5, 4259218), (10, 2129609), (37, 575570), (74, 287785), (185, 115114), (370, 57557)]