21214256

素因数分解:

$2^4\times 7^2\times {\mathrm{27059}}^1$

素因数の和:27081

約数の個数: 30

約数和(自身を含む): 47815020

約数和(自身を除く): 26600764

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27059, 54118, 108236, 189413, 216472, 378826, 432944, 757652, 1325891, 1515304, 2651782, 3030608, 5303564, 10607128, 21214256]

約数ペア:

[(1, 21214256), (2, 10607128), (4, 5303564), (7, 3030608), (8, 2651782), (14, 1515304), (16, 1325891), (28, 757652), (49, 432944), (56, 378826), (98, 216472), (112, 189413), (196, 108236), (392, 54118), (784, 27059)]