21256474510

素因数分解:

$2^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{3536851}}^1$

素因数の和:3537459

約数の個数: 16

約数和(自身を含む): 38325328272

約数和(自身を除く): 17068853762

約数列:

[1, 2, 5, 10, 601, 1202, 3005, 6010, 3536851, 7073702, 17684255, 35368510, 2125647451, 4251294902, 10628237255, 21256474510]

約数ペア:

[(1, 21256474510), (2, 10628237255), (5, 4251294902), (10, 2125647451), (601, 35368510), (1202, 17684255), (3005, 7073702), (6010, 3536851)]