21431332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1123}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 40535936

約数和(自身を除く): 19104604

約数列:

[1, 2, 4, 13, 26, 52, 367, 734, 1123, 1468, 2246, 4492, 4771, 9542, 14599, 19084, 29198, 58396, 412141, 824282, 1648564, 5357833, 10715666, 21431332]

約数ペア:

[(1, 21431332), (2, 10715666), (4, 5357833), (13, 1648564), (26, 824282), (52, 412141), (367, 58396), (734, 29198), (1123, 19084), (1468, 14599), (2246, 9542), (4492, 4771)]