21049652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1103}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 39814656

約数和(自身を除く): 18765004

約数列:

[1, 2, 4, 13, 26, 52, 367, 734, 1103, 1468, 2206, 4412, 4771, 9542, 14339, 19084, 28678, 57356, 404801, 809602, 1619204, 5262413, 10524826, 21049652]

約数ペア:

[(1, 21049652), (2, 10524826), (4, 5262413), (13, 1619204), (26, 809602), (52, 404801), (367, 57356), (734, 28678), (1103, 19084), (1468, 14339), (2206, 9542), (4412, 4771)]