21550139435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{438769}}^1$

素因数の和:438851

約数の個数: 32

約数和(自身を含む): 30327782400

約数和(自身を除く): 8777642965

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 517, 893, 1045, 2585, 4465, 9823, 49115, 438769, 2193845, 4826459, 8336611, 20622143, 24132295, 41683055, 91702721, 103110715, 226843573, 391820717, 458513605, 1134217865, 1959103585, 4310027887, 21550139435]

約数ペア:

[(1, 21550139435), (5, 4310027887), (11, 1959103585), (19, 1134217865), (47, 458513605), (55, 391820717), (95, 226843573), (209, 103110715), (235, 91702721), (517, 41683055), (893, 24132295), (1045, 20622143), (2585, 8336611), (4465, 4826459), (9823, 2193845), (49115, 438769)]