21134417410

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3297101}}^1$

素因数の和:3297749

約数の個数: 16

約数和(自身を含む): 38101310712

約数和(自身を除く): 16966893302

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 3297101, 6594202, 16485505, 32971010, 2113441741, 4226883482, 10567208705, 21134417410]

約数ペア:

[(1, 21134417410), (2, 10567208705), (5, 4226883482), (10, 2113441741), (641, 32971010), (1282, 16485505), (3205, 6594202), (6410, 3297101)]