21380804582

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1\times {\mathrm{1753}}^1$

素因数の和:2568

約数の個数: 32

約数和(自身を含む): 32817620640

約数和(自身を除く): 11436816058

約数列:

[1, 2, 73, 139, 146, 278, 601, 1202, 1753, 3506, 10147, 20294, 43873, 83539, 87746, 127969, 167078, 243667, 255938, 487334, 1053553, 2107106, 6098347, 12196694, 17787691, 35575382, 76909369, 146443867, 153818738, 292887734, 10690402291, 21380804582]

約数ペア:

[(1, 21380804582), (2, 10690402291), (73, 292887734), (139, 153818738), (146, 146443867), (278, 76909369), (601, 35575382), (1202, 17787691), (1753, 12196694), (3506, 6098347), (10147, 2107106), (20294, 1053553), (43873, 487334), (83539, 255938), (87746, 243667), (127969, 167078)]