21787348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21529}}^1$

素因数の和:21567

約数の個数: 24

約数和(自身を含む): 43404480

約数和(自身を除く): 21617132

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21529, 43058, 86116, 236819, 473638, 495167, 947276, 990334, 1980668, 5446837, 10893674, 21787348]

約数ペア:

[(1, 21787348), (2, 10893674), (4, 5446837), (11, 1980668), (22, 990334), (23, 947276), (44, 495167), (46, 473638), (92, 236819), (253, 86116), (506, 43058), (1012, 21529)]